Ziddu - Unlimited Space Cloud Drive that Earns Money

Ziddu is a free document storage website from Hong Kong, ranked 253rd in the world by Alexa (approximately). Its biggest feature is that users can earn some income by uploading files. Ziddu provides unlimited free storage space for each registered user. Users can upload audio, video, webpages, documents, software, images, etc. The maximum size limit for a single file is 200MB, and it supports batch uploads via web. Images uploaded to Ziddu can be viewed in an "album" format or played as a "slide show." Audio and video files can also be played directly online, which is very convenient.