News WWDC: Apple Announces the iPhone 4 By IDG News Service PCWorld Jun 7, 2010 5:04 pm PDT CEO Steve Jobs unveiled the new smartphone at the company’s Worldwide Developers Conference in San Francisco. According to Apple, the phone is 24 percent thinner than the iPhone 3GS, can shoot HD video, and has longer battery life. 8GB iPhone 3GS 16GB iPhone 4 (GSM, AT&T) Price When Reviewed: $485 Read our full 16GB iPhone 4 (GSM, AT&T) review 32GB iPhone 4 (GSM, AT&T) Price When Reviewed: $599 Read our full 32GB iPhone 4 (GSM, AT&T) review