Since the birth of the Internet, enormous new technologies, new theories and new
concepts have been introduced to the world. Along with those new technologies
and theories, fresh applications and services emerge endlessly as well. Several
years ago, people were still enjoying surfing the Internet among the web portals, but
time has changed. Web 2.0 has occupied peoples’ lives nowadays with its
personalized and socialized character. The world is stepping into the age of Web
2.0 with its rapidly permeated.