Youtube can be very useful. It is not just for silly videos -- it's great for finding book trailers and other useful library related information. Here is a video of Angela Carstensen, chair of the 2010 Award of Excellence for Nonfiction for Young Adults, talking about our winner!
I haven't used Flickr very frequently (most of my pictures are on shutterfly), but I have found a few tagged pictures of me. These are both tools with which it is best to become comfortable.