This incident has been resolved.
Sep 11, 17:01 PDT
We are continuing to look for the root cause of the missing text messages, but in the meantime have made some changes that should help ensure they do not get stuck.
Sep 10, 13:43 PDT
We are continuing to investigate this issue.
Sep 10, 07:27 PDT
We've received a few reports of employees not receiving text notifications. We've been unable to reproduce the issue so far, but it may have to do with a problem at our text messaging service. We're continuing to look into it. Please let us know if you have encountered this problem.
Sep 10, 07:22 PDT