moussebieber
Some users might not have been receiving email notifications

twitterstatus:

The issue was caused due to a bug in our email notifications delivery system. This issue has since been resolved.

Some users might be experiencing empty timelines

twitterstatus:

We’re currently experiencing an issue where some user’s timelines will appear empty until new tweets come in. The older tweets will eventually begin to display as well. The team is aware of the issue and working to resolve it.

Update (Thursday May 26 02:30 UTC): We’re still working on the issue.  Thanks for your patience! 

Update (Thursday May 26 05:15 UTC): The issue has been resolved

bieber

you is so sexy guy