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Archivo del Autor: Belen De Leon

El próximo gran reto de la IA es un complicadísimo juego de cartas

Los investigadores de DeepMind quieren que la inteligencia artificial aprenda a dominar el Hanabi, que requiere entender la teoría de la mente y disponer de un nivel de razonamiento mayor que el de Go o el ajedrez. Con las técnicas actuales, su rendimiento es pésimo
Source: MIT

Epix launches its own streaming service named Epix Now – CNET

The $6 per month subscription service offers access to movies and the cable TV network’s original programming.
Source: CNET

Users complain of account hacks, but OkCupid denies a data breach

It’s bad enough that dating sites are a pit of exaggerations and inevitable disappointment, they’re also a hot target for hackers.

Dating sites aren’t considered the goldmine of personal information like banks or hospitals, but they’re still an intimate part of millions of people’s lives and have long been in the sights of hackers. If the hackers aren’t hitting the back-end database like with the AdultFriendFinder, Ashley Madison, and Zoosk breaches, the hackers are trying break in through the front door with leaked or guessed passwords.

That’s what appears to be happening with some OkCupid accounts.

A reader contacted TechCrunch after his account was hacked. The reader, who did not want to be named, said the hacker broke in and changed his password, locking him out of his account. Worse, they changed his email address on file, preventing him from resetting his password.

OkCupid didn’t send an email to confirm the address change — it just blindly accepted the change.

“Unfortunately, we’re not able to provide any details about accounts not connected to your email address,” said OkCupid’s customer service in response to his complaint, which he forwarded to TechCrunch. Then, the hacker started harassing him strange text messages from his phone number that was lifted from one of his private messages.

It wasn’t an isolated case. We found several cases of people saying their OkCupid account had been hacked.

Another user we spoke to eventually got his account back. “It was quite the battle,” he said. “It was two days of constant damage control until [OkCupid] finally reset the password for me.”

Other users we spoke to had better luck than others in getting their accounts back. One person didn’t bother, he said. Even disabled accounts can be re-enabled if a hacker logs in, some users found.

But several users couldn’t explain how their passwords — unique to OkCupid and not used on any other app or site — were inexplicably obtained.

“There has been no security breach at OkCupid,” said Natalie Sawyer, a spokesperson for OkCupid. “All websites constantly experience account takeover attempts. There has been no increase in account takeovers on OkCupid.”

Even on OkCupid’s own support pages, the company says that account takeovers often happen because someone has an account owner’s login information. “If you use the same password on several different sites or services, then your accounts on all of them have the potential to be taken over if one site has a security breach,” says the support page.

That’s describes credential stuffing, a technique of running a vast lists of usernames and passwords against a website to see if a combination lets the hacker in. The easiest, most effective way against credential stuffing is for the user to use a unique password on each site. For companies like OkCupid, the other effective blocker is by allowing users to switch on two-factor authentication.

When asked how OkCupid plans to prevent account hacks in the future, the spokesperson said the company had “no further comment.”

In fact, when we checked, OkCupid was just one of many major dating sites — like Match, PlentyOfFish, Zoosk, Badoo, JDate, and eHarmony — that didn’t use two-factor authentication at all.

As if dating wasn’t tough enough at the best of times, now you have to defend yourself from hackers, too.


Source: TechCrunch

Surface Pro 7: Everything we want to see in Microsoft’s next 2-in-1

The Surface Pro might have pioneered the 2-in-1 form factor, but the design has stayed the same over the last seven years. Here’s what we’re looking to see from the Surface Pro 7,

The post Surface Pro 7: Everything we want to see in Microsoft’s next 2-in-1 appeared first on Digital Trends.


Source: Digital trends

Inside an indie: Making a film from scratch without a Hollywood budget – CNET

“Go to the networking event. Show up.” A look at what it’s like to make a movie without the resources of a big studio.
Source: CNET

Lego Movie 2 not as awesome as the first, but it's pretty close – CNET

Review: The gloriously bonkers sequel is a toy to behold
Source: CNET

Is high-speed rail in the US ever going to happen? – CNET

After decades of languishing development and stagnated projects, true high-speed rail in the US could be just around the corner.
Source: CNET

The best dating sites for Valentine's Day and beyond – CNET

Get swiping!
Source: CNET

Original Content podcast: Netflix’s ‘Velvet Buzzsaw’ is lethally dull

Jake Gyllenhaal, Rene Russo and writer-director Dan Gilroy — who worked together on the creepy crime thriller “Nightcrawler” — have reunited for a new Netflix Original film, “Velvet Buzzsaw.”

While “Nightcrawler” wasn’t perfect, it was tense and unsettling, filled with eerily beautiful shots of nighttime L.A., plus a career-best performance from Gyllenhaal. It’s hard to believe that the same team was responsible for the muddled “Buzzsaw,” a film that tries to combine art-world satire and horror movies scares, ultimately failing on both counts.

The setup involves the death of a mysterious artist, leaving behind a trove of strangely compelling paintings. Soon, though, everyone involved in promoting or selling these paintings starts dying too.

On the latest episode of the Original Content podcast, we’re joined by Jon Shieber to try to understand what went wrong here. The movie isn’t particularly funny or scary — instead, we’re stuck with obvious jabs at the hypocrisy of the art world, interrupted by boring, unimaginative death scenes. And while Gyllenhaal is trying something in his portrayal of pompous art critic Morf Vandewalt, the results are more head-scratching than compelling.

This episode isn’t just one long pan, though. We also offer our (considerably more positive) impressions of the Netflix series “Russian Doll,” which stars co-creator Natasha Lyonne as a New Yorker who keeps dying and repeating the night of her 36th birthday. And we discuss Super Bowl streaming numbers and new details about Disney’s streaming service.

You can listen in the player below, subscribe using Apple Podcasts or find us in your podcast player of choice. If you like the show, please let us know by leaving a review on Apple. You also can send us feedback directly. (Or suggest shows and movies for us to review!)


Source: TechCrunch

Companies raising supergiant VC aren’t getting any younger

This week, point-to-point “microtransit” service company Lime announced it raised $310 million in a Series D round, which valued the company at $2.4 billion, post-money. That is pretty impressive for a startup founded just a couple of years ago. Since 2017, Lime has raised more than $765 million in venture funding, which is due in part to the pretty daunting economics of the bike and scooter business. It takes a lot of capital to acquire and deploy that hardware.

Lime isn’t the only company to raise supergiant ($100 million or more) VC rounds right out of the gate. Despite the fact that supergiant venture capital rounds have recently become an almost everyday occurrence, the age at which companies close their first nine-figure funding deal hasn’t really changed over the past several years.

In the chart below, we plot the distribution of startups’ age at the time of their first supergiant venture round of $100 million or more. (The age of a company at any subsequent supergiant round was excluded.) In prior reporting, we found that supergiant deal volume began accelerating in 2013, which is why we chose that year to start. For reasons we’ll explain after the chart, it’s best to think of the numbers presented here as a very good estimation rather than a highly precise measurement. There are still lessons to learn though.

Note from the get-go that company ages were calculated by finding the number of days elapsed between their founded date listed in Crunchbase and the date on which the company’s first supergiant VC round was announced. It sometimes takes several weeks between when a deal is finalized and when it’s publicly announced (even in the case of these really big deals). We excluded companies with no listed founding date. Also note that the founding dates listed in Crunchbase are often not precise, so that introduces some fuzziness as well.

However, these caveats aside, there are some general trends to be found here. The mix of companies raising their first really big rounds hasn’t changed all that much over time. On average, a little less than half of supergiant rounds are raised by companies roughly five years old or younger. Some years, like 2016, had above-average representation of younger companies raising their first nine-figure deals. Perhaps coincidentally, 2016 was also a year where supergiant VC (and, indeed, venture activity in general) slowed slightly.

If a company is going to raise their first supergiant VC round (which, recall, are still exceedingly rare), a majority of companies do so within the first five or six years in business. Of nearly 888 first supergiant rounds (raised since 2013) we analyzed, the largest number were struck between years three and five. There is a long tail of companies that raise their first nine-figure deals more than a decade after being founded.

Generally, this isn’t too surprising. Most VC funds operate on a 10-year cycle, as do many startups. Many companies raise their first big rounds of funding within the first few years after launch. Some of these rounds are bigger than others, and that’s what’s reflected above.

In entrepreneurial finance, up-front costs matter. Founded in December 2016, Elon Musk’s tunnel-digging endeavor The Boring Company was a little less than 15 months old when it raised $113 million in venture funding in April of 2018. Tunnel boring machines aren’t cheap. The company aims to dig tunnels for the low, low price of $10 million per mile.

It’s not just Mr. Musk who can raise supergiant sums so speedily. Some sectors are more capital-intense than others, requiring some companies to seek large funding deals early, to bring a product or service to market. For example, a number of companies cropped up in the residential real estate space with the goal of streamlining the home-buying process. In practice, it means that the company acquires the home itself, before ultimately signing it over to the homeowner. Ribbon is one such venture. The fintech company was founded in September 2017 and raised $225 million in Series A funding a little over one year later, in late October 2018.

Most companies aren’t a good fit for VC funding. Of those that try to raise VC funding, most fail. Of those that do raise VC money, the surpassing majority of those deals are less than $100 million. To be clear: We’re talking about very rarified air here. But it helps to confirm another side of a trend we found earlier, through some trial and error. Startups aren’t really raising money any faster than they used to. There’s just more of them. And the rounds are bigger.


Source: TechCrunch

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