Sebastian Guerrero, an independent researcher in Barcelona says he’s discovered a way to force friendship with any Instagram user — private or public — by exploiting an Instagram server-side vulnerability. In one case, Guerrerro forced Mark Zuckerberg to follow his test account. Then Guerrerro sent him a message through a photo post, which would show up in Zuckerberg’s photo feed of people he follows. Guerrero also used a test account to follow a private user without the required approval from the private user.
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Want to see how high end camera lenses are tested for durability? Here’s a video in which Carl Zeiss researcher Norbert Wittekindt shows off the various tests lenses are subjected to, ranging from temperature tests to mechanical vibrations.

(via Foto Actualidad)