Twitter.com/goodies--embed code in your website so that your posts are automatically sent from your Twitter Account.
www.rockmelt.com
www.coveritlive.com - you can moderate a room of questions for a rollout/ chat area, etc.
http://willyou.typewith.me/ http://willyou.typewith.me/p/gaetc same as Typepad-- but bought by Google. Works on ipad. Put meeting outline/agenda or document others need to work on with you and all can share document. Can import a Word file> can export also to Wordle or other format. TIMESLIDER allows you to go back in time in case someone deletes an important part, etc. FREE.