The cloud goes down for a few hours but my data comes back eventually. My hard drive fails and several incantations and offerings to the tech gods might bring my data back after some blood, sweat, and tears. So yes, keep my data in the cloud, I'll take a little bit of downtime over hard drive failure any day. - Erica Baker
Or look at this way, how many times a year does your mobiel phone drop connections? Email get misrouted? The "cloud", even with downtime, is more reliable than those technologies so far. - Lon via twhirl
5 to 10 years from now, we will never even consider this question, storing your data on the cloud will be the norm. Every technology change has some growing pains and we are in the earliest stage of cloud computing. - Shakeel Mahate