"Something is technically wrong," says Twitter's home screen. "Thanks for noticing — we're going to fix it up and have things back to normal soon."
Yes, Twitter is down. At 10:28 a.m. ET, the company's status page indicated only that "Some users may be experiencing issues accessing Twitter. Our engineers are currently working to resolve the issue."
It could perhaps be related to the major update Twitter rolled out Wednesday, providing better viewing of large photos, and greater compatibility for Web video.
We'll keep watching for its return, or any further indication as to what caused the outage, so stay tuned.
Updated 10:50 a.m. ET: Twitter.com appears to be up, but downforeveryoneorjustme.com is still reporting it to be down.
Updated 2:50 p.m. ET: Twitter updated its status page with the following statement:
We experienced intermittent issues affecting web and mobile users, globally, between approximately 7:00 a.m. and 9:50 a.m. PST.This incident has now been resolved. We apologize to users who were affected by this, and we’re working to ensure that similar issues do not occur.
Wilson Rothman is the Technology & Science editor at NBC News Digital. Catch up with him on Twitter at @wjrothman, and join our conversation on Facebook.