You can search for comments containing particular keywords and, of course, subscribe to your search results with RSS (or by E-mail).

你可以搜索包含特殊关键字的评论，当然你也可以在RSS中寻找结果。

youdao

On the Guinness Atkinson site, for example, investors can subscribe to monthly "e-Briefs" with focuses such as Asia and alternative energy.

WSJ: Brokerage Firms Sometimes Nix Fund-Firm Mailings to Investors

Subscribe to Artfact.com for 20 million auction results and e-mail alerts when your favorite artists, antiques or collectibles come up at auction around the world.

FORBES: Brilliant Beryl

They want to make it easier for people to subscribe to RSS feeds and also, of course, make it really simple for people to engage in e-commerce.

FORBES: The Rise Of RSS