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Archivo del Autor: Belen De Leon

Extreme cop cars – Roadshow

From the super-expensive to the just plain nuts, police around the world have some extreme modes of transportation.
Source: CNET

Galaxy Note 9: Everything Samsung just announced, Fortnite, Bixby speaker and Watch – CNET

From the new Note 9 to a Fortnite exclusive to the Galaxy Home speaker, here’s everything Samsung just announced in Brooklyn.
Source: CNET

The President Wants a Space Force. He Might Get One.

Vice President Mike Pence’s speech at the Pentagon laid out what a new US Space Force would do. It’ll cost $8 billion to start.
Source: Wired

Fortnite makes its Android debut exclusively on Samsung phones video – CNET

But don’t worry, other Android devices will get access to Fortnite shortly.
Source: CNET

Swastikas will no longer automatically be banned in German video games – CNET

For years, swastikas and Nazi imagery were being removed from German versions of video games, but that might be about to change.
Source: CNET

Porsche just went and built a rally-spec Cayman GT4 Clubsport – Roadshow

It’s enough to make you want to hug every member of Porsche’s GT group.
Source: CNET

Some Infowars tweets vanished today, but Twitter didn’t remove them

A handful of tweets and videos that appear to have been cited in the choice to remove Alex Jones from Facebook and YouTube vanished from Twitter on Thursday after being called out in a CNN piece focused on the company’s hypocrisy.

Twitter confirmed to TechCrunch that it did not remove the tweets in question and that someone affiliated with Alex Jones and Infowars or with access to those accounts is behind the removal. The tweets in question spanned the Infowars brand, including accusations that Sandy Hook was staged by crisis actors, slurs against transgender people and a video asserting that Parkland shooting survivor David Hogg is a Nazi.

All of the tweets CNN linked are no longer available, suggesting that Jones might be trying to walk a narrow line on the platform, keeping most of the Infowars content up even as users and reporters surface some of its most objectionable moments. We reached out to Infowars for the reasoning behind taking down the posts and will update this story when we hear more.

On Wednesday in an internal memo that was later tweeted, Twitter’s VP of trust & safety made the claim that if Jones had posted the same content on Twitter that had resulted in action on other platforms, Twitter would have acted, too.

“… At least some of the content Alex Jones published on other platforms (e.g. Facebook and YouTube) that led them to taking enforcement actions against him would also have violated our policies had he posted it on Twitter,” Twitter’s Del Harvey said. “Had he done so, we would have taken action against him as well.”

On Thursday, CNN called Twitter’s bluff. The news site found that the same content that got Jones and Infowars booted from other platforms “were still live on Twitter as of the time this article was published,” according to CNN.

In spite of the missing tweets, at the time of writing, the accounts of both Infowars and Alex Jones remained online and tweeting. In fact, just 30 minutes ago, Infowars accused former president Obama of a “deep state” scheme to purge Infowars from tech platforms.


Source: TechCrunch

Galaxy Note 9 specs vs. Galaxy S9, S9 Plus, Note 8: What's new – CNET

See how Samsung’s newest flagship phone compares spec-by-spec with other Galaxy devices.
Source: CNET

Cryptocurrency insecurity: IOTA, BCash and too many more

Cryptocurrencies: a weird agglomerate of fascinating technology built by brilliant engineers; a whole new and potentially important form of economics; … and hype-machine puffed-up crazy-talk nonsense. So, as you might expect, they also combine state-of-the art resilient engineering and comical clown-car so-called security. Yes, that’s right — I want to talk about IOTA, and (to an extent) Bitcoin Cash.

Modern security practices include: an understanding of and commitment to responsible disclosure; making yourself available and accessible to third-party security researchers; offering bug bounties; fuzzing your code; etcetera. They also include valuable truisms such as “don’t roll your own crypto.” Here that’s crypto as in cryptography, and it means, always always always use tried and time-tested cryptographic algorithms and implementations. Do not try to build your own from scratch. You will regret it.

IOTA, currently the world’s tenth most valuable cryptocurrency, took an … assertively contrarian stance regarding this dictum. They didn’t just roll their own crypto, they rolled their own fundamental units, deciding that binary wasn’t good enough by half, and that trinary was where it’s at, that their trits and trytes were so much better than bits and bytes.

I confess part of me has a grudging respect for the surreality of this kind of whackadoodle performance art. Alas, this half-admiration doesn’t extend to the recent saga in which a) they rolled their own crypto; b) MIT and BU researchers found a flaw in it; c) IOTA first said that the flaw was intentional, and then, apparently, that it was created by an imperfect AI (!); d) a spectacular war of words (between those parties and several others) erupted. Then, yesterday, Neha Narula, the director of MIT’s Digital Currency Initiative, presented last year’s work in a talk at Black Hat — and even though that work stemmed from last year

I interviewed Narula this morning and she said, still amazed, that it actually seemed to her as if IOTA thought her talk yesterday would reveal a new, previously undisclosed vulnerability. Their fundamental misunderstanding of how software security works, and what responsible disclosure means, is staggering.

You may well think IOTA is such an extremely ridiculous project that it’s unfair to use it as an example. But if so, bear in mind that cryptocurrencies remain a very weird field, and many people who have put a lot of money into them are unable to distinguish ridiculous projects from serious ones. A couple of days ago I visited Las Vegas’s “cryptocurrency nightclub,” all too appropriately called MORE; the general idea is that people can both invest in MoreCoin (yes, really) and spend it on better access / parties at Vegas and similar destinations. Whether you think this is a valid concept or a crazy get-rich-quick scheme, it’s an example of how cryptocurrencies are increasingly aimed at the unsophisticated public. To its intended audience, there’s not much difference between MoreCoin and Bitcoin; any technical ludicrousness is no bar to success.

But if you want to talk about something more serious and higher-profile, fine; let’s talk about Narula’s most recent post, this one describing and regarding a bug in Bitcoin Cash, one of the very few currencies traded on Coinbase. Some months ago, a developer, Cory Fields, discovered that the hard fork which birthed Bitcoin Cash included some refactoring of Bitcoin’s consensus code … such that a malicious block could be crafted which would split Bitcoin Cash into two separate blockchains.

This would be very bad, would almost certainly have drastically diminished Bitcoin Cash’s value, and could conceivably be used for a double-spend attack; meaning, given Bitcoin Cash’s value and liquidity, it was a bug which could conceivably have been used to generate many millions of dollars in cold hard cash. Fortunately Fields is an admirable fellow and decided to do the right thing.

But … how? Who to contact? The people with commit rights to the Bitcoin Cash repo, he supposed; but none of them had provided secure methods of public contact. This was information that could be used to bilk many millions of dollars, it couldn’t be emailed in plaintext — and what’s more, if somebody else discovered the bug but this Core developer was the only one known to have discovered it, he would be painting a big target on his back. How can you perform responsible disclosure when there’s no outlet to disclose to?

In the end, Fields found a way. (A very complicated way.) And the bug has been fixed. But the difficulties he had highlights the fact that, as cryptocurrencies mature, their security policies and procedures need to mature along with them. Kudos to those who are already well along this path, such as Ethereum, EOS and Tezos; and brickbats to those who make it hard to disclose vulnerabilities, and/or those who respond with weaponized ignorance.


Source: TechCrunch

Sony’s 10″ Digital Paper Tablet is an ultra-light reading companion that needs to do more

Last year I had a good time comparing Sony’s DPT-RP1 with the home-grown reMarkable. They both had their strengths and weaknesses, and one of the Sony’s was that the thing was just plain big. They’ve remedied that with a much smaller sibling, the DPT-CP1, and it’s just as useful as I expected. Which is to say: in a very specific way.

Sony’s e-paper tablets are single-minded little gadgets: all they do is let you read and lightly mark up PDFs. If that sounds a mite too limited to you, you’re not the target demographic. But lots of people — including me — have to wade through tons of PDFs and it’s a pain to do so on a desktop or laptop. Who wants to read  Amazon’s Antitrust Paradox by hitting the down arrow 500 times?

For legal documents and scientific journal articles, which I read a lot of, a big e-paper tablet is fantastic. But the truth is that the RP1, with its 13.3″ screen, was simply too big to carry around most of the time. The device is quite light, but took up too much space. So I was excited to check out the CP1, which really is just a smaller version of the same thing.

To be honest, there’s not much I can add to my original review of the RP1: it handles PDFs easily, and now with improved page jumping and tagging, it’s easier to navigate them. And using the stylus, you can make some limited markup — but don’t try to do much more than mark a passage with an “OK” or a little star (one of several symbols the device recognizes and tracks the location of).

It’s incredibly light and thin, and feels flexible and durable as well — not a fragile device at all. Its design is understated and functional.

Writing isn’t the Sony tablets’ strong suit — that would be the reMarkable’s territory. While looping out a circle or striking through a passage is just fine, handwritten notes are a pain. The resolution, accuracy and latency of the writing implement are as far as I can tell exactly as they were on the larger Sony tablet, which makes sense — the CP1 basically is a cutout of the same display and guts.

PDFs display nicely, and the grid pattern on the screen isn’t noticeable for the most part. Contrast isn’t as good as the latest Kindles or Kobos (shots in the gallery above aren’t really flattering, since they’re so close up, but you get the idea), but it’s more than adequate and it beats reading a big PDF on a small screen like those on your laptop’s LCD. Battery life is excellent — it’ll go through hundreds of pages on a charge.

A new mobile app supposedly makes transferring documents to the CP1 easy, but in reality I never found a reason to use it. I so rarely download PDFs — the only format the tablet reads — on my phone or tablet that it just didn’t make sense for me. Perhaps I could swap a few over that are already on my iPad, but it just didn’t strike me as particularly practical except perhaps in a few situations where my computer isn’t available. But that’s just me — people who work more from their phones might find this much more useful.

Mainly I just enjoyed how light and simple the thing is. There’s almost no menu system to speak of and the few functions you can do (zooming in and such) are totally straightforward. Whenever I got a big document, like today’s FCC OIG report, or a set of upcoming scientific papers, my first thought was, “I’ll stick these on the Sony and read them on the couch.”

Although I value its simplicity, it really could use a bit more functionality. A note-taking app that works with a Bluetooth keyboard, for instance, or synchronizing with your Simplenote or Pocket account. The reMarkable is still limited as well, but its excellent stylus (suitable for sketching) and cloud service help justify the price.

I have to send this thing back now, which is a shame because it’s definitely a handy device. Of course, the $600 price tag makes it rather a niche one as well — but perhaps it’s the kind of thing that fills out the budget of an IT upgrade or grant proposal.


Source: TechCrunch

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