No, it's a pop-up from the bottom, overlaying the main text, reading:
Netguru is a Ruby on Rails
web development consulting
company.
Find out more
Popular posts:
Why hourly rate is better than
fixed price
Your Backbone will say Thank
You
... and so on. The Twitter follow button and Tumblr button neatly overlay and obscure the navigation options at top right.
Here - screenshot: http://www.solipsys.co.uk/images/NetGuru.png