The company acknowledged the problem, saying in a statement that its engineers are "currently working to resolve the issue," although it didn't go into any further detail.
Users reported outages or sluggishness in trying to access Twitter from countries in North America, Europe, Asia, the Middle East, and Africa.
The Olympics are expected to bring an unprecedented surge of activity by sports fans on social networking sites such as Twitter.
At the recent European Championship final, users fired off more than 15,000 tweets per second, setting a sports-related record for the site.
Thursday, July 26, 2012 | 9:26 a.m.
Some of the other major outages occurred on the following dates:
June 21, 2012
May 25, 2012
October 18, 2011
How does this affect you and your productivity for today; it seems like this has been happening a lot recently, no?