Web 2.0

Etymology
and a version number (as used in software). .

Proper noun

 * 1)  The second generation of the World Wide Web, especially the movement away from static webpages to dynamic and shareable content, social networking, and online collaboration.

Translations

 * Chinese:
 * Cantonese: Web 2.0
 * Mandarin: Web 2.0
 * Finnish: Web 2.0