The Apple iPhone firmware version 2.2 was released to the public on November 21, 2008. Some of the new features include Google Street View on Google Maps, walking and public transit directions, the ability to download podcasts from the iTunes Store (though not subscribe to podcasts), and support for Emoji icons.ars technica: Lots to like about new iPhone 2.2 software update (November 21, 2008) The upgrade also includes features from the 2.0 and 2.1 updates.Official Site: Software Update

• Enhanced Google Maps, including Google Street ViewOfficial Site: Software Update
• Ability to download podcasts from iTunesOfficial Site: Software Update
• Turn auto-correct on or off in Keyboard settingsOfficial Site: Software Update
• Decrease in number of dropped calls and call failuresOfficial Site: Software Update
• Safari interface improvementsOfficial Site: Software Update
• Press Home button from any screen to get to first Home screenOfficial Site: Software Update
• Upgrades to Mail serviceOfficial Site: Software Update
• Email a location from Google MapsOfficial Site: Software Update

iPhone 2.2 users are now asked to rate apps that they choose to delete. Users can choose to rate the deleted app using the five star iPod rating system or simply choose the "No Thanks" option.iPhone Atlas: Deleting that App, Please Rate It (October 28, 2008) ars technica: Lots to like about new iPhone 2.2 software update (November 21, 2008)