The Second Most Downloaded App In The History of Apple's App Store

Well, you will definitely not guess - let alone know this one. Which app do you think is the second most downloaded app of all time, in the Apple App Store? Well we think you know the most downloaded app - so which one is the second? We spotted this today:

"-Pandora has surpassed 150 million users, according to CEO Joe Kennedy.
The Internet radio service remains the second most downloaded app in the history of Apple's App Store, Kennedy said during a keynote address at the CTIA Wireless conference here today."

Statistics Source: CNet