No, it's not just your computer or smartphone that wasn't unable to get Twitter up and running. The popular social network went down at 2:24 p.m. ET.
A Twitter spokeswoman said that the company is aware and looking into the service outage. Updates can be found on the Twitter service status page.
Update: Twitter is back up and running. The company released this statement following the repair.
"During a planned deploy in one of our core services, we experienced unexpected complications that made Twitter unavailable for many users starting at 11:01am. We rolled back the change as soon as we identified the issue and began a controlled recovery to ensure stability of other parts of the service. The site was fully recovered by 11:47am PDT. We apologize for the inconvenience."