AT&T will begin selling Samsung's new Android 4.1-based point-and-shoot digital Galaxy Camera -- complete with a 4G connectivity and access to the mobile Web -- for $500 on Friday, the carrier disclosed. Featuring 16-megapixel, 21x zoom technology, the camera can retrieve Android applications from the online Google Play store and allow users to instantly share their photos. Consumers will pay $10 to $50 a month for data plans ranging from 250 megabytes to 20 gigabytes.