Stickis is a new service that lets you attach little sticky-type notes to Web pages you visit, and lets you view the notes other people have left on pages.
A very useful new browser add-on, BlogRovr, tells when your favorite bloggers have blogged about a site or story that you are reading elsewhere on the Web.
Trailfire, like Stickis, lets you annotate Web pages with Post-It-like notes.
The ThirdVoice concept just will not die. Reframe It lets you highlight a piece of a Web page, comment on it, and discuss those comments with other visitors.
Coming soon: New widget enables users to share their shoe links, get feedback.
Stikkit is like an online pad of yellow sticky notes that do a lot more than the pieces paper you normally scrawl notes on and then lose.
Web pages too big and clumsy for you? Clipmarks let you bookmark just words.