Like all fast-growing technology companies, Groupon is a risky bet from an investor's point of view; it's in no sense a widows-and-orphans stock. Like many consumer-facing companies, it's probably better for most people to just take advantage of it as consumers. Individuals are much better at judging whether a money-off deal is a good one than they are at judging whether a particular stock is a good investment. But if Groupon's sales continue to grow at anything like their recent pace, that's an indication that a lot of individuals will continue to love what Groupon's doing. And ultimately that's going to show up on the bottom line.has a fascinating column making a credible case that the VC and tech bubble is hampering development of the cloud.