Complex sentence: Jot it! is a social networking and micro-blogging service that enables users to send and read short 160-character text messages attaches links, videos, audiofiles and pictures to messages.
Split into simpler sentences: Jot it! is a social networking and micro-blogging service that enables users to send and read short 160-character text messages. In addition, network texts, attaches links, videos, audiofiles and pictures to messages.