When a user is redirected to the URL by a search engine, the site detects that this is a normal browser access and redirects the user to malware sites.
A paper by Sophos explains the technique.
Model View Controller is the common architecture for graphical user interfaces.
There are however many variations on it, partly depending on the underlying technology.
As a result MVC is often misunderstood, and the same names are used for different beasts.
Here's a clear overview of MVC and its brethern.
A recent small versioning tools survey on the Toughtworks development mailing list by Martin Fowler:
Interesting papers on Belgian EID by Pieter Verhaegen: