It seems the good folks @twitter have jumped out of the starting blocks and enhanced twitter.com to take advantage of the pinning technology in IE9. As a twitter addict (@simonster on there) I love this, genius.
They aren’t the only ones Facebook have done something similar. Be interesting to see if anyone else takes advantage of this functionality and more.
This is what it looks like when you take advantage of the technology. In a few lines of simple code they just turned twitter.com into an app.