If you are unable to attend, I do recommend following the virtual conference and attend any keynotes/sessions you deem relevant. It's always great to find out about features you didn't know of, or get a feel for where your favorite Dynamics product is headed. As far as social media you can also follow the "Convergence Wall". I will be tweeting and blogging about Convergence next week. You can follow me on Twitter @JorisdG.
If you are attending Convergence 2013, come see me at my session on Thursday, or visit me at the Sikich booth Monday afternoon or early Tuesday afternoon. Otherwise, look for me walking around. Like last year, I will be sporting my fedora (see below).