Great to see RSNA, the Radiological Society of North America, on Facebook.

Not suprising to see Dr. Steve Chan congratulating them on the site, with both the radRounds social networking site and its linked presence on Facebook.

Also nice to see that Medicexchange has adopted a useful tag cloud search facility on its home page which allows you to easily search the top 100 keywords across radiology news.

Be interesting to see if radiology portal AuntMinnie responds to this web 2.0 trend.