There is enough standardization happening to allow your browser to render those pages. That's a good start. The problem historically with Web Standards has bee

There is enough standardization happening to allow your browser to render those pages. That's a good start. The problem historically with Web Standards has been 2-fold the lack of concrete implementations for vendors to work from. This leads to a variety of interpretations of the details of the standard. Secondly their has been a lack of incentive for people to create standard markup. I hope things like Open Social (with Caja) and Yahoo's Search Monkey fix that. In the case of Search Monkey by using a Microformat (which must be valid HTML) then you get an enhanced listing in the Yahoo search engine. A definite benefit.