This is simply a page with several resources that may serve as an indicator of what’s popular.

Blogs

1. Blog Critics
2. Tail Rank
3. Bloglines popular links
4. LiveJournal Popular Interests
5. nytimes.com most blogged
6. Technorati/pop/blogs
7. RSSTop55: Best Blog Directory And RSS Submission Sites
8. DMOZ Weblog directory
9. Topix.net Top Stories in Blogosphere

Books

1. Amazon.com Top Selling Books
2. Technorati/pop/books

Community

1. myspace.com

Movies

1. Amazon.com Top Selling DVD
2. Technorati/pop/movies
3. nytimes.com most popular movies

Music

1. Amazon.com Top Selling Music
2. iTunes top 10 songs

News

1. CNN Most Popular
2. Topix.net Top Stories
3. Yahoo News Most Popular

Photos

1. Flickr Popular Tags

Programming

1. programming.reddit.com
2. del.icio.us/popular/programming

Shopping

1. eBay Pulse
2. Shopping.com top 5
3. StyleHive.com

Search

1. Spotback.com/TopStories
2. Google PageRank 10 Sites
3. Google Zeitgeist This Week
4. Google Zeitgeist 2005
5. Google Zeitgeist By Country This Month
6. Google Zeitgeist This Month
7. FeedDigest Zeitgeist

Social Bookmarking

1. Vibmarks popular tag aggregator
2. del.icio.us/tag
3. Digg.com
4. Technocrati.com/pop

Software

1. CNET’s Most Popular Software
2. Popular Mozilla Add-ons

Popular Tags

1. TagCloud.com

News

1. cnn.com/mostpopular/ (updated every 20 minutes)
2. nytimes.com most popular
3. yahoo.com popular news stories ranked by readers
4. http://www.technorati.com/pop/news

Websites

1. Alexa Movers and Shakers