To celebrate 8 years anniversary, Twitter brings on a search page for searching first tweets and Taylor's first one is (
https://discover.twitter.com/first-t...aylorswift13):

(
https://twitter.com/taylorswift13/status/1041806998)
But if I search on twitter with this : "from:taylorswift13 until:2008-12-31" (which means search for tweets sent from tarylorswift13 before Dec 31, 2008), the first one I got is this:

(
https://twitter.com/taylorswift13/status/3435389682, it is also the one listed in Billboard 'Pop Stars' First Tweets: 50 Thoughts from Katy Perry, Lady Gaga, Eminem and More',
http://www.billboard.com/articles/co...s-first-tweets)
I checked and found that her account was created on Dec 6, 2008, and Justin's account was created on Mar 28, 2009(his first tweet was in May 2009). I got it from twitter 's api console:

So that search result is earlier than both account's creating time. Can anyone explain?