Earlier this year, we wrote about the "Humble Indie Bundle," which was a group of indie video games available in a bundle on a pay-what-you-want basis (and with a nice charitable component). The bundle got a lot of attention, and they were able to bring in $1,273,588 in just two weeks. After it was all over, one complaint I heard was that such things were clearly a "one-off" that could never be repeated. Well, recently, the Humble Indie Bundle 2 came out, and with plenty of time to spare, it's already made more money than the original. Also notable, just like last time, it was Linux users who are still paying a significantly higher amount on average -- contrary to the typical claims that Linux folks just want stuff for free....