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Archivo del Autor: Belen De Leon

Microsoft’s Clippy came back from the dead, but didn’t last very long

Before Cortana, Alexa, and Siri even existed, Microsoft Clippy dominated the screens of computers in the 1990s to help assist Microsoft Office users when writing letters. He recently made a bit of a comeback only to die off again.

The post Microsoft’s Clippy came back from the dead, but didn’t last very long appeared first on Digital Trends.


Source: Digital trends

Clark, a venture-backed tutoring platform, will now help tutors build their own sites

A couple of years ago, Clark, a New York-based startup, appeared on the scene with tutoring software that aimed to both make it easier for educators to start and manage a tutoring business by handling on its platform all the work that tutors struggle to find time to do, from drumming up students, to managing scheduling and payments, to making it far simpler to communicate with parents.

Today the company is announcing a bit of a shift, moving away from simply selling access to its business software for a monthly subscription fee to now helping tutors set up their very own storefronts, replete with websites, certifications, marketing materials, and even clients who Clark will help them find.

How it will work, from a dollars standpoint: Clark will charge an upfront fee for setting up the business and getting it off the ground, then charge a smaller monthly fee for use of the its software, which is 15 percent of sessions fees for students who are referred by Clark for the initial year, and then 15 percent of all sessions after that.

Called its “business in a box” product, it’s an interesting twist and part of a broader wave of startups that are capitalizing on the growing number of people who are self employed, or who want to be, or who simply want to supplement their income with a ‘side hustle.’ Bird’s recent decision to partner with local entrepreneurs in other parts of the world who will manage their own fleets of its electric scooters (and pay Bird a cut of their revenue), is another recent example. Clark may also have drawn inspiration from Wonderschool, a venture-backed startup that’s empowering early childhood educators to open their own in-home preschools or day cares while it handles the administration and logistics.

What teachers get with this new product, specifically, is support in building their business from the ground up, including website creation and branding, building a presence on review sites, marketing the business and search engine optimization, and a hands-on bootcamp for managing a business that covers things like setting rates and managing clients, according to cofounder and CEO Megan O’Connor. She also tells us that once a business is off the ground, customers will get access to the company’s software, which should allow them to schedule tutoring sessions, manage payments and invoices, give session feedback to parents through a communications tool, and match with new students. Not last, Clark has a dedicated customer success team based in New York, says O’Connor, so clients have somewhere to turn.

According to Clark, the startup has so far facilitated roughly 20,000 tutoring sessions and it has hundreds of businesses across the country using its existing service. It’s because many of these clients weren’t sure how to get their businesses of the ground that Clark adopted this new model, which will also strive to connect parents with educators that match their children’s needs (parents have final say over who ultimately hire)

Clark has raised just $1 million to date, including from Lightspeed Venture Partners, Rethink Education, Flatworld Partners and Winklevoss Capital —  money it has using to grow its business along with the revenue it has brought in from the outset by charging for its services.

Whether its new direction speeds up its momentum remains an open question, but the company is operating in a huge market. According to some new market research on the global private tutoring opportunity, the market was valued at $96 billion in 2017, and it’s expected to generate more than $177 billion by 2026.


Source: TechCrunch

Firefox Send file-sharing service arrives on Android, too – CNET

Mozilla’s service lets you share 1GB files with no strings attached and 2.5GB files if you sign in.
Source: CNET

GoFundMe pulls antivaccine campaigns from platform – CNET

The company says promoting misinformation violates its terms of service.
Source: CNET

Oslo will build wireless chargers for electric taxis in zero-emissions push – Roadshow

Norway’s capital wants all its taxis to be zero-emission vehicles from 2023 onward.
Source: CNET

Gates-backed Lumotive upends lidar conventions using metamaterials

Pretty much every self-driving car on the road, not to mention many a robot and drone, uses lidar to sense its surroundings. But useful as lidar is, it also involves physical compromises that limit its capabilities. Lumotive is a new company with funding from Bill Gates and Intellectual Ventures that uses metamaterials to exceed those limits, perhaps setting a new standard for the industry.

The company is just now coming out of stealth, but it’s been in the works for a long time. I actually met with them back in 2017 when the project was very hush-hush and operating under a different name at IV’s startup incubator. If the terms “metamaterials” and “Intellectual Ventures” tickle something in your brain, it’s because the company has spawned several startups that use intellectual property developed there, building on the work of materials scientist David Smith.

Metamaterials are essentially specially engineered surfaces with microscopic structures — in this case, tunable antennas — embedded in them, working as a single device.

Echodyne is another company that used metamaterials to great effect, shrinking radar arrays to pocket size by engineering a radar transceiver that’s essentially 2D and can have its beam steered electronically rather than mechanically.

The principle works for pretty much any wavelength of electromagnetic radiation — i.e. you could use X-rays instead of radio waves — but until now no one has made it work with visible light. That’s Lumotive’s advance, and the reason it works so well.

Flash, 2D, and 1D lidar

Lidar basically works by bouncing light off the environment and measuring how and when it returns; This can be accomplished in several ways.

Flash lidar basically sends out a pulse that illuminates the whole scene with near-infrared light (905 nanometers, most likely) at once. This provides a quick measurement of the whole scene, but limited distance as the power of the light being emitted is limited.

2D or raster scan lidar takes a NIR laser and plays it over the scene incredibly quickly, left to right, down a bit, then do it again, again, and again… scores or hundreds of times. Focusing the power into a beam gives these systems excellent range, but similar to a CRT TV with an electron beam tracing out the image, it takes rather a long time to complete the whole scene. Turnaround time is naturally of major importance in driving situations.

1D or line scan lidar strikes a balance between the two, using a vertical line of laser light that only has to go from one side to the other to complete the scene. This sacrifices some range and resolution but significantly improves responsiveness.

Lumotive offered the following diagram, which helps visualize the systems, although obviously “suitability” and “too short” and “too slow” are somewhat subjective:

The main problem with the latter two is that they rely on a mechanical platform to actually move the laser emitter or mirror from place to place. It works fine for the most part, but there are inherent limitations. For instance, it’s difficult to stop, slow, or reverse a beam that’s being moved by a high speed mechanism. If your 2D lidar system sweeps over something that could be worth further inspection, it has to go through the rest of its motions before coming back to it… over and over.

This is the primary advantage offered by a metamaterial system over existing ones: electronic beam steering. In Echodyne’s case the radar could quickly sweep over its whole range like normal, and upon detecting an object could immediately switch over and focus 90 percent of its cycles tracking it in higher spatial and temporal resolution. The same thing is now possible with lidar.

Imagine a deer jumping out around a blind curve. Every millisecond counts because the earlier a self-driving system knows the situation, the more options it has to accommodate it. All other things being equal, an electronically-steered lidar system would detect the deer at the same time as the mechanically-steered ones, or perhaps a bit sooner; Upon noticing this movement, could not just make more time for evaluating it on the next “pass,” but a microsecond later be backing up the beam and specifically targeting just the deer with the majority of its resolution.

Just for illustration. The beam isn’t some big red thing that comes out.

Targeted illumination would also improve the estimation of direction and speed, further improving the driving system’s knowledge and options — meanwhile the beam can still dedicate a portion of its cycles to watching the road, requiring no complicated mechanical hijinks to do so. Meanwhile it has an enormous aperture, allowing high sensitivity.

In terms of specs, it depends on many things, but if the beam is just sweeping normally across its 120×25 degree field of view, the standard unit will have about a 20Hz frame rate, with a 1000×256 resolution. That’s comparable to competitors, but keep in mind that the advantage is in the ability to change that field of view and frame rate on the fly. In the example of the deer, it may maintain a 20Hz refresh for the scene at large but concentrate more beam time on a 5×5 degree area, giving it a much faster rate.

Meta doesn’t mean mega-expensive

Naturally one would assume that such a system would be considerably more expensive than existing ones. Pricing is still a ways out — Lumotive just wanted to show that its tech exists for now — but this is far from exotic tech.

CG render of a lidar metamaterial chip.The team told me in an interview that their engineering process was tricky specifically because they designed it for fabrication using existing methods. It’s silicon-based, meaning it can use cheap and ubiquitous 905nm lasers rather than the rarer 1550nm, and its fabrication isn’t much more complex than making an ordinary display panel.

CTO and co-founder Gleb Akselrod explained: “Essentially it’s a reflective semiconductor chip, and on the surface we fabricate these tiny antennas to manipulate the light. It’s made using a standard semiconductor process, then we add liquid crystal, then the coating. It’s a lot like an LCD.”

An additional bonus of the metamaterial basis is that it works the same regardless of the size or shape of the chip. While an inch-wide rectangular chip is best for automotive purposes, Akselrod said, they could just as easily make one a quarter the size for robots that don’t need the wider field of view, or an larger or custom-shape one for a specialty vehicle or aircraft.

The details, as I said, are still being worked out. Lumotive has been working on this for years and decided it was time to just get the basic information out there. “We spend an inordinate amount of time explaining the technology to investors,” noted CEO and co-founder Bill Colleran. He, it should be noted, is a veteran innovator in this field, having headed Impinj most recently, and before that was at Broadcom, but is perhaps he is best known for being CEO of Innovent when it created the first CMOS Bluetooth chip.

Right now the company is seeking investment after running on a 2017 seed round funded by Bill Gates and IV, which (as with other metamaterial-based startups it has spun out) is granting Lumotive an exclusive license to the tech. There are partnerships and other things in the offing but the company wasn’t ready to talk about them; the product is currently in prototype but very showable form for the inevitable meetings with automotive and tech firms.


Source: TechCrunch

How to get Google Home to play your YouTube playlist – CNET

Listen to your playlists anytime you like on your smart speaker.
Source: CNET

Mailchimp and Shopify break up

Mailchimp today announced that the Mailchimp app, which let its users use their Shopify data to create targeted email campaigns, for example, is no longer available in the Shopify marketplace. The reason for this, Shopify itself says, is that it “had growing concerns about Mailchimp’s app because of the poor merchant experience and their refusal to respect our Partner Program Agreement.”

Clearly, this isn’t the most amicable divorce.

“It’s critical for our merchants to have accurate, complete insight into their businesses and customers, and this isn’t possible when Mailchimp locks in their data,” Shopify explains. “Specifically, Mailchimp refuses to synchronize customer information captured on merchants’ online stores and email opt-out preferences. As a result, our merchants, other apps, and partner ecosystem can’t reliably serve their customers or comply with privacy legislation.”

Unsurprisingly, Mailchimp’s side of the story is a bit different. “Yesterday, we asked Shopify to remove the Mailchimp for Shopify integration from their marketplace,” the company wrote. “We made this decision because Shopify released updated terms that would negatively impact our business and put our users at risk.”

Mailchimp says it refused to provide Shopify with all the customer data it asked for because Shopify’s terms simply weren’t fair or practical.

“We have been negotiating for months with Shopify on trying to get terms that were very fair and equitable to both of our businesses — and there were several points that we just weren’t willing to compromise on,” Joni Deus, Mailchimp’s director of partnerships, told me. “Anything that hurts our customers’ privacy was a non-starter for us.” She also told me that Shopify specifically asked for pretty much any data Mailchimp collects about its users, including data it collected in the past since the app was installed. “We had no way of getting that consent from our users retroactively,” Deus noted.

There may be another wrinkle to this story, too. In recent months, Mailchimp partnered with Square to launch its shoppable landing pages. That puts Mailchimp deeper into the e-commerce business and into competition with Shopify.

In its statement, Mailchimp argues that it integrates with more than 150 different apps and platforms. “We won’t compromise on that just because Shopify sees it as a competitive threat,” the company wrote. “We want people to have choices,” Deus added. “The marketplace is starting to collide and people are starting to compete with each other. Many of our other partners are also in our space and we would never limit a competitor from what they were willing to do for their business.”

In the end, we’ve got two companies that both argue they are putting their customers’ privacy first. This doesn’t strike me as a conflict where there was no reasonable compromise to be had, though, so in the end, it’s now on both companies’ customers to figure out what to do next.

For users, there are still plenty of other options, including the use of third-party integrations that link the two services together, including Zapier, Automate.io and ShopSync. Indeed, using those is Mailchimp’s recommendation for its current users.


Source: TechCrunch

Get the new Dell XPS 13 for $750 with this limited-time deal

Dell is currently running a limited time deal lasting through Thursday, March 28, where you can bring home a version of this year’s new XPS 13 for around $750 with the use of a special coupon code. 

The post Get the new Dell XPS 13 for $750 with this limited-time deal appeared first on Digital Trends.


Source: Digital trends

Gadget Lab Podcast: Google Takes on Microsoft, Amazon in Gaming

Google’s just-announced cloud gaming service, Stadia, holds the promise of seamless, multi-device gaming. Is it too good to be true?
Source: Wired

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