All the data that make up our lives seem to be heading for the clouds. From photos on Flickr to memos on Google Docs, we are entrusting more and more to computers in giant data centers-a model called cloud computing. It's certainly convenient to have access to our stuff wherever we are and on whatever device we choose. But is it safe ?rnYes, if you exercise reasonable care. The major providers of Web-based services have generally established an enviable record as stewards of their customers' data. Still, there are perils-just as there are with clouds of the atmospheric variety. A little thoughtrnand prudence may save you grief down the road.
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