I'm still working on it. Everyone's got some interesting answers -- fibonacci sequence, full moons, etc. -- but I suspect it's something else. I'll post back when I have my answer. Good luck to everyone!
monday monday tuesday wednesday friday.....
monday-gingerbread announced
monday-nexus s announced
tuesday-chrome os website announced
wednesday-google books store launch
friday-....... does this mean that something is going to be annopunced tomorrow!?!?!?!?!?