Communicate the Status of Your Cloud Service!
For my primary email account I use FastMail instead of GMail. Why? FastMail is very fast, reliable, and feature rich. GMail is fast, reliable, and feature rich. I like the features of FastMail, but the primary reason I use it over GMail is the communication that they have with their user base when there is an (inevitable) problem. Here's a post about a recent problem: http://blog.fastmail.fm/2011/05/15/outage-report-a-cascade-of-errors/ This is the kind of thing I have never seen out of Google or Yahoo and probably never will. It's an advantage of being a relatively smaller service. They have maintained a policy of rapidly communicating with their user as well with a status blog in addition to their regular blog . SalesForce implemented a similar "communicate with the users" policy after they had a major outage. You can see what they tell you about their service at http://trust.salesforce.com/trust/status/ . Google Apps has a similar page at http://www.goog