Logo design for Web 2.0 brands

Great collection of recent Web 2.0 logos, collected by flickr member Stabilo Boss a hot-linked version is on that site.
Logo design for Web 2.0 brands are following a traceable aesthetic trend,

1. Bright, bold, happy colors
2. Simple iconography
3. Clean typographical treatment

Overall, the trend is user-friendly, simplicity from company naming through overall look and feel.