Want to look at tweets posted during the 2008 summer Olympics? Or tweets you sent on your vacation a few years ago? Soon you’ll be able to. Twitter is enabling users to search through its entire index of roughly half a trillion public tweets.

The archive is massive, but searching through it hasn’t always produced the most complete results. The search function emphasizes tweets that are popular, like those that get lots of retweets. But beyond a certain point, the results taper off.

Now, every public tweet since Twitter’s launch in 2006 is fair game. The change is being rolled out over the next few days to the Twitter website as well as to its iOS and Android apps.

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