Visit google support for the full list of GMail search syntax. For a more gentle introduction, check this CNet article.

Google Reader Snapshot (All Items)

Defacto Online Reader

With keyboard navigation, and river of news, or three pane consumption, Google Reader is the defacto king of web-based readers.

Features

• Private bookmarking (stars)
• Public sharing (share)

Power User Tips

• Integration with GMail via Firefox Extension

NewsGator offers a web client as well as OS X and Windows desktop clients.