On Ustream.tv anyone can broadcast themselves for free.
But you will need to give the site permission to access your webcam and microphone, and you can even broadcast from a mobile device.
There is the option to interact with other viewers and embed your video into a website or blog.
The usual caveats about user-generated and unmoderated content apply - if you find something you do not like, just move along or report it.
Shelfari.com hosts a global community of book lovers who are more than happy to share their reviews of good and bad reads with others.
Once signed up, you can start adding the books you have already read, are currently reading, or plan to read in the future.
The site offers a graphical representation of a bookshelf and organises your titles into helpful categories.
Like other networking sites, you can join groups, start your own, and gradually expand your web of contacts.
