Assorted

1. Megan (Non-McArdle) from Sacramento on modeling: "I am not altogether opposed to modeling, because I think it is mostly white collar welfare and it supports sexy graduate students."  That’s economic modeling, not fashion modeling.

2. Markets in everything: at-home drug tests.

3. Kramnik and the computer have drawn three more games, tomorrow is K’s last chance to tie the score with a victory.

4. Ten most viewed YouTube videos of all time; they seem OK but I prefer octopus escaping through a one-inch hole.

5. The best of free software, via Chris Masse.