According to new data from online advertising firm Chitika, nearly half of all iPod touch users have yet to upgrade to iPhone OS 3.0, suggesting Apple is having a hard time convincing users that the upgrade is worth the money. A sampling of traffic from Chitika’s advertising network shows that while 95% of iPhone owners, who received the upgrade for free, are running iPhone OS 3.0, while only 55% of iPod touch owners have the newer software…
