IPhone the success of iPod campaigns, allowed the phone to become a mass-market product with many buyers on launch day. Some market research has found that, unusually for a technology product, iPhone users are disproportionately female. "Ars Technica" noted in 2012 that Apple had avoided 'patronizing' marketing to female customers, a practice used (often to sell low-quality, high-priced products) by many of its competitors. When then-CEO of Research in Motion Mike Lazaridis pried open an iPhone, his impression was of a Mac stuffed into a cellphone, as it used much more memory and processing power than the smartphones on the market
IPhone to its customers on its website, acknowledging the effect that old batteries have on the iPhone's performance. The company offered $29 battery replacements as a solution. The first-generation iPhone and iPhone 3G have a fixed-focus 2.0-megapixel camera on the back for digital photos. It has no optical zoom, flash or autofocus, and does not natively support video recording. Video recording is possible on the first-generation iPhone and iPhone 3G via a third-party app available on the App Store or through jailbreaking. iPhone OS 2.0 introduced geotagging for photos. The iPhone 3GS has a 3.2-megapixel camera with autofocus, auto white balance,