Good to see even a brief analysis on the much hyped Groupon. The author could have analyzed the most obvious competitors, Foursquare and Gowalla, in the story as well.

What an exciting topic from a business publication. Well presented, but 10 out of 10 world savers are working in the U.S.? Somewhat narrow focus.

This will be interesting... what kind of reactions from the open source community we will witness. This is a good story that lays out some of the background information on what has happened so far.

Google has started classifying malware sites. There are solutions to these threats. Every now and then, it would be great to read about the solutions as well.

The idea of social lending has been around a while, but currency exchange maybe something new. In any case, the article discusses some first hand experiences in the business of microfinancing.