Team Viewer for remote access & desktop sharing

My new favorite tool for remote access and desktop sharing is TeamViewer.  It’s free, it’s easy to use, the UI is nice, and it works like a charm.  There are versions for Mac, Windows, Linux, the iPhone, the iPad, and Android.  So far I’ve only used it on my MacBook, and I was very happy with it.

Why would you want such a tool?  I can think of several scenarios for researchers in which TeamViewer would come in handy.

• You are remote-teaching a colleague how to use a computer-based tool (like TAMS, for data analysis).  As you speak together (on the phone, via Skype, etc.) you can watch your colleague’s movements on their desktop, and thus better assist him/her in the learning process.  I did this with a colleague of mine recently, and being able to see her desktop while explaining the program made things much easier.
• You want to observe a research participant’s use of a computer-based tool, but you can’t be there in person.
• You want to engage in collaborative coding of data with a colleague in real time, but can’t be there in person.

Have you used Team Viewer?  If so, what did you use it for?