Be careful where you use itThat Apple/LG 5K monitor has a weird problem with routers

The USB-C connected 27-inch LG Ultrafine 5K display is supposed to be a perfect match for Apple's new MacBook Pros, but it has an unusual weakness. LG confirmed reports that it shouldn't be placed within two meters or so of a wireless router, as that can make the display unstable or even unusable. There's no word yet on a possible fix, so keep that in mind before shelling out $974 for one.

Is that a home button or a USB-C port?Samsung's Galaxy S8 isn't ready yet, but it has something to show at MWC 2017

All we really know so far is that thanks to the Galaxy Note 7 meltdown, we won't see a new Galaxy S phone at Mobile World Congress next month. Samsung is still inviting us to a press conference, with an image that appears to hint at a new Galaxy Tab. Whatever it is, we'll be there to check it out on February 26th.

Bring a bot to the tableLibratus AI successfully out gambled world-class Texas Hold'em players

Carnegie Mellon's "Libratus" AI took on Jason Les, Dong Kyu Kim, Daniel McAulay and Jimmy Chou in poker for 20 days and some 120,000 hands, and ultimately came out collectively ahead $1,766,250 in chips. Its creator, professor Tuomas Sandholm, said "This is the first time that AI has been able to beat the best humans at Heads-Up No-Limit Texas Hold'em. More generally, this shows that the best AI's ability to do strategic reasoning under imperfect information has surpassed that of the best humans."

Alternative feedsFacebook tweaks the feed to bury fake news and clickbait

After last year's fake news freakout, Facebook is getting serious about the issue. It's finally implementing changes that should lower the visibility of clickbait content and pages that beg for engagement. It's also tweaking the algorithm to respond faster in real-time, so a post about your favorite team's game-winning goal is more likely to appear right away.

Apple, Google, Microsoft, Amazon, Facebook and Ford were already on the listMore tech CEOs speak out against Trump's immigration order

Amazon. Evernote. Reddit. Y Combinator. The list of tech companies coming out vocally against Donald Trump's executive order temporarily cutting off US immigration and travel from seven majority-Muslim countries, and from refugees worldwide, keeps growing every time we look.

They like itApple's iPhone sales increased for the first time in a year

As the iPhone goes, so goes Apple's overall financial health. The good news, then, is that sales of its iPhone 7 family grew five percent compared to last year. Mac sales were also slightly up from last year with the introduction of new models. On the other hand, iPad sales continued a three-year slide, while revenue in its "other products" category that contains the Watch, TV, headphones and other items dropped from last year.

If you can't beat 'em... change strategies? Walmart kills its Amazon Prime-style shipping service

Now that former Jet.com CEO Marc Lore is running Walmart's e-commerce, it's cutting off the Amazon Prime-like ShippingPass beta. Instead, Walmart will promise free two-day shipping on all orders over $35, down from the previous threshold of $50. According to Lore, "In this day and age, two-day shipping is really just table stakes -- people shouldn't have to pay for it and certainly not a membership."

Those battery cells aren't just for carsTesla Powerpacks are lighting up California's electrical grid

Southern California Edison (SCE) teamed up with Tesla to bring one of the world's largest electron-storing solutions to life in less than six months. The 20-megawatt Mira Loma energy storage station in Ontario, California, is capable of powering up to 15,000 homes for four hours during peak times, or roughly 2,500 homes for an entire day.

But wait, there's more...

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