Twitter - sure, I feel like I'm talking to myself - but sometimes I answer.
Facebook - the only way I can find out what my little sister is up to.
Wikipedia - I don't care, I like it.
iTunes - don't get me started on how much I love podcasts!
Blogger - 'cause obviously.
Cutest Blogs on the Block http://thecutestblogontheblock.com/ - adorable backgrounds for your blog and easy to install (free too!)
All banking websites - never have to go inside a bank again.
I'll Be In My Trailer (blog) http://www.michellemcaleer.com/blog/ - good read for all those who would like to be obsessed with the theatre but find other little life occurences (like pets, people, studies, work, etc) keep popping in.
Uni websites - some are better than others, but I do love studying online.
Betchablog http://betch.edublogs.org/ - great blogger on education technology, check out the podcasts they're very inspiring.
Inkfever http://ink-fever.blogspot.com/ - aspiring author, useful writing tips and writer's network.
Sorry Skype, you do not make my list anymore.