Best of web 2.0

Everyday new interesting and useful ”web 2.0” sites are drawn to my attention. But which are the best? Or rather, which websites have added value to my work, have assisted me in search for news and knowledge, are fun and entertaining, or have helped me share and develop my interests? These 10 websites are a sort of top 10 of best web 2.0 sites. How does you top 10 list looks like?

#1 Pageflakes
Collect “flakes” (like widgets or webparts) and feeds to get an overview on one page.

#2 Del.icio.us
Collect, tag and share links for your favourite websites - works really nice with Firefox.

#3 Momondo.com
Find the cheapest price on hundreds of airlines and travel agencies to anywhere in Europe.

#4 Ratebeer
Find thousands of recommendations and ratings for thousands of different beers.

#5 YouTube
Follow the life of LonelyGirl 15 (who is really 19) or see Steve Ballmer scream and dance.

#6 Flickr
Store, find and share photos. Combine it with Slide.com to make a nice screensaver or slide show.

#7 Wikipedia
What is AJAX? How do you define branding? Why is it called wiki?

#8 MitKBH.dk
Recommend and rate bars, restaurants and places in Copenhagen – and find out what your peers like.

#9 MySpace
Create a network of “friends”, get invitations to events, and be up-to-date with your favourite bands.

#10 Technorati
Find interesting weblogs by searching for sites or tags in this easy-to-use archive.

Many more websites are applying for a position among the 10 best. There are sites for blog- and wiki-software like Socialtext and WordPress, networking sites like Friendster, Facebook and LinkedIn, news sites like Digg and The Morning News, there is Yelp.com the American big brother of MitKBH.dk, I kind of like webtools sites like Protolize.org and Mashable, Yahoo and especially Yahoo Answers is nice, and of course the classic 2.0 sites Google, Amazon and eBay are still delivering …. What do you think?