Nowadays, it is easy to be fooled by disinformation and deepfake videos because of AI advancements. But the US government has begun combating this social media-deception, taking it as a matter of national security.

University of Washington’s researchers took Obama’s speaking and altered a video to make it seem like he said the same thing but at a different time and place. A different altered video also surfaced when researchers from Stanford University transferred the head position, expression, and eye gaze of the man and applied them to the woman. These are called deepfake: edited videos that look real and are difficult to tell if they are fake or not. In the deepfake Obama video, his lips were digitally altered, with Jordan Peele providing the voice. Such videos are perfectly able to confuse, disrupt, and intensify anger in any aspect from business to foreign policy to politics.

In the years following the 2016 election campaign, many other fakes were shared all over the internet, such as photos of Hilary Clinton and Donald Trump stirring anger and provoking one side or the other. Detecting fakes like these is what SRI and the government’s Defense Advanced Research Agency do. They use artificial intelligence to teach computers how to detect fakes and be one step ahead of deepfake technology.

Shoppers are discovering the joys of secondhand stores. Only people short on cash used to frequent such shops. Now ordinary shoppers are hunting for used bargains. And the shops sell not just clothing and kitchen supplies, but also audio equipment, musical instruments, and computers. What’s more, all products are tested by shop employees. If customers are not happy with an item, they have 30 days to return it. “We spent a lot on shelves, lighting, and layout to make our store look nicer than a typical secondhand store,” said the owner of Nine Lives, a secondhand store in New York. “The atmosphere and the quality of the products are like a real department store,” said one regular Nine Lives customer. No longer are shoppers afraid of the word “used.”

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