Meta或将为美军开发高科技可穿戴设备
Meta正与美国国防科技公司Anduril合作，竞标价值约1亿美元的美军"鹰眼"可穿戴设备项目。该项目属于美军220亿美元可穿戴装备计划的一部分，将开发配备AR/VR技术的智能头盔和眼镜，增强士兵的视觉、听觉能力，并支持与AI武器系统交互。
Meta CEO扎克伯格表示，该技术将"保护美国国内外利益"。Anduril创始人Palmer Luckey称，结合Meta的XR技术将为军队节省大量成本和生命。Luckey近年已获得60亿美元政府合同，推动科技公司与军方合作。
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Telegram is riding high, adding tens of million of users this year. Now the bill is coming due.Telegram is one of the few significant social-media challengers to Facebook Inc., FB -1.90% on a trajectory toward one billion users active each month by the end of 2022, up from roughly 550 million today.
n the U.S. people generally use Bitcoin as an alternative investment, helping diversify a portfolio apart from stocks and bonds. You can also use Bitcoin to make purchases, but the number of vendors that accept the cryptocurrency is still limited. Big companies that accept Bitcoin include Overstock, AT&T and Twitch. You may also find that some small local retailers or certain websites take Bitcoin, but you’ll have to do some digging. That said, PayPal has announced that it will enable cryptocurrency as a funding source for purchases this year, financing purchases by automatically converting crypto holdings to fiat currency for users. “They have 346 million users and they’re connected to 26 million merchants,” says Spencer Montgomery, founder of Uinta Crypto Consulting. “It’s huge.”
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