With the continuous development of Internet broadband and personalization in Web 2.0, new applications are emerging one after another. Concepts such as RSS (auto-subscription), SNS (six degrees of separation), Tag (label), and P2P (peer-to-peer) have become applications for many Internet users.
Search, photos, music, videos, mash-up applications (Mash-Ups), Wiki, blogs (Blog), and communities — together they form the rich content of the Web 2.0 trend.
(Reprint)