This is actually good PR for 37signals. We already knew that all apps go down from time to time. What we now know is that (a) 37signals has a great status page,

This is actually good PR for 37signals. We already knew that all apps go down from time to time. What we now know is that (a) 37signals has a great status page, (b) they are transparent about their uptime, and (c) that uptime is in the 99.98–98.99% range.