Taking a cue from Raven’s recent post announcing the 10,000 iPhone app milestone, I decided to update some charts from earlier posts on the U.S. iTunes app store. First, the weekly growth in the number of apps was slower in November: the number of apps grew less than 10% on a weekly basis for all of November. During the last week of November, there were close to 9,800 unique apps, 22% of which wer