1.

Out of all the "reasons why I'm here," I'm going to go with:
interested in learning about and playing around (yes, playing is allowed in libraries) with some new web 2.0 tools that will help you expand your information literacy toolbox.

That pretty much sums up this experience so far. I'm sure there will come a time where I will think to myself, "This Thing is stupid. I'll never use it." But that doesn't mean that it's not useful knowledge. Just practicing helps.