Join ones of interest, bookmark them with Diigo, and/or create a blog post about any interesting discoveries.
If you're feeling ambitious, join twitter, find some people to follow and send out your first tweet.
New Discovery (thanks to Jinju): Zoomit (download)
Feed Me! with Feedly.com
Download the TTP2017 Opml
(slightly out-of-date screencast here)
Task: Post an 'End of Session#1' Goodies on your blog. Share or reflect on any recently discovered resources (photos, videos, social networking groups, etc.)