Google for yourself; Spotlight on the cloud Hyperlink provides unified search for yourself. Regard it as Google on your personal data; Or Spotlight in the cloud. Hyperlink solves the personal data fragmentation problem and makes knowledge condensation easier for normal users. Ultimately, Hyperlink will integrate all sorts of knowledge sources/ channels, e.g. social network like Facebook, subscription interface like RSS, email service like GMail, cloud storage like Dropbox, notes-taking service like Evernote, browser history, file system, etc. Hyperlink will aggregate, classify, refine and index all those data so that user can find it whenever and wherever in need. In comparison, Google searches public webpages and Hyperlink searches one?s own data sources.