Vero, which is a photo, video, music, and recommendation sharing site similar to Instagram, has racked up more than a million subscribers, and–despite the site being around since 2015–most of those subscribers just joined this past week.

What is it that makes this site so popular? Well, a couple of nostalgia factors for the early days of social media and frustration with Instagram’s algorithm have aligned to give this site its recent boost. So much so, in fact, that Vero hasn’t been able to handle the site traffic!

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By Amanda Pressner Kreuser