In 2006 I published a report about browser sizes. The point of this report was primarily to visualize that it was not the size of the screen that matters, but the size of the browser window. Now, two years later, many things have changed.
Viral marketing (word-of-mouth marketing) is a really cool thing. Just think about it... instead of spending an insane amount of money on newspapers ads, TV commercials or banner ads, you spent nothing - and let your fans do all the work for you.
There are many reasons why I do not like IBM, but the two primary ones are ugly design and complete lack of usability. The last reason (lack of usability) is rather strange because IBM has done extensive amount of usability research. They also a very good, and very popular usability section of their website. IBM should be one the front-runner in terms of usability.