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Facebook collects a lot of your data, but you might never get to see what they really learn about you. Data Selfie aims to give you a glimpse by letting you analyze your own Facebook usage. While there’s no way to know exactly how Facebook analyzes your data without working for the company, Data Selfie gives you a rough approximation. Once you add it to Chrome, the extension tracks your activity on Facebook. Everything from what you click on to what you type. Data Selfie stores that information locally and doesn’t share it with anyone (though obviously Facebook is tracking it). After a while of usage, you can generate a report that will let you explore what someone could learn about from your activity. It shows simple things like the pages and people you spend the most time with, as well as complex thoughts like how you lean politically, or whether you’re more relaxed or emotional. If you’ve never paid attention to how simple things like your Facebook activity...

A French soldier shot and wounded a man armed with a machete and carrying two bags on his back on Friday as he tried to enter the Paris Louvre museum in what the government said appeared to have been a terrorist attack. The man shouted Allahu Akbar (God is greatest) and rushed at police and soldiers before being shot near the museum's shopping mall, police said, adding a second person had also been detained after acting suspiciously. The attacker was alive but seriously wounded, the head of Paris police Michel Cadot told reporters at the scene, adding the bags he had been carrying contained no explosives. "The soldier fired five bullets," Cadot said, describing how the man hurried threateningly toward the soldiers at around 10 a.m. (0900 GMT). "It was an attack by a person ... who represented a direct threat and whose actions suggested a terrorist context." Prime Minister Bernard Cazeneuve said during a visit to Bayeux in Normandy: "It appears to be an...