SiteAdvisor started out as a really good idea. Whenever you went to a site, the SiteAdvisor label would turn green (safe), yellow (shady) or red (dangerous) to indicate the safety of that site.

Last week Hulu announced that they were going to be blocking access for Boxee and TV.com because of pressure from content providers. This obviously makes sense because Hulu still looks as though they are having a hard time capitalizing on advertisements when being compared to what they're able to sell on TV.

One of the things you may have noticed with Flickr is that the photos will have another image overlaid on top of them called spaceball.gif (here is an example photo) This prevents you from copying the address to the image or being able to save it to your computer.

Both schools and corporate workplaces are blocking websites apparently without knowing what all of the services do. No, I'm not talking about blocking sites like MySpace, YouTube, Facebook, or Meebo...what I'm referring to are things that can help make you more productive.