Introducing MP5 technology...the latest in Portable Entertainment. MicroSD Expandable - VL-878-8GB-SS The popularity of web-based videos has increased due to lower costs of hosting videos online as well as popular sites such as YouTube and MySpace. Video files, which used to take up large amounts of space, have had advancements in compression technology. Formats such as Real Media and Flash make online streaming more accessible. However the drawback has been the inability to download and playback these video files across various platforms. But with MP5 technology, that is no longer the case.