In Buzz 10, we use Social Radar to determine the 10 most buzzed about topics across the web via Twitter, blogs, discussion boards, media, and social networks. For this Buzz 10, we analyzed chatter around Time Magazine’s 50 Best Websites of 2010, Alexa Rankings, and other popular websites to determine the top 10 most talked about websites in 2010.
10. Flickr

The popular image hosting and video hosting website, web services suite, and online community is widely used by bloggers to host images that they embed in blogs and social media.
9. WordPress

WordPress is an open source Content Management System (CMS), often used as a blog publishing application. It has many features including a plug-in architecture and a template system and is used by over 13% of the 1,000,000 biggest websites.
8. MSN

MSN (originally The Microsoft Network) is a collection of Internet sites and services provided by Microsoft.
7. Yahoo!

Yahoo! is best known for its web portal, search engine, Yahoo! Directory, Yahoo! Mail, Yahoo! News, advertising, online mapping, video sharing, and social media websites and services.
6. Amazon

Amazon.com is America’s largest online retailer.
5. Tumblr

Tumblr is a microblogging platform that allows users to post text, images, videos, links, quotes and audio to their tumblelog, a short-form blog. Users can follow other users, or choose to make their tumblelog private. The service emphasizes ease of use.
4. Facebook

With more than 500 million active users, a blockbuster movie and millions of links, photos, comments, wall posts and ‘likes’ happening every day, 2010 was a big year for the social network service.
3. Google

Google continues to expand on its Internet-based services, which now include real-time search.
2. YouTube

YouTube users have uploaded more than 13 million hours of video content to its servers in the last 12 months, resulting in more than 700 billion YouTube video views — which means that YouTube’s users have uploaded 850,000 minutes of video and watched 1.9 billion videos per day in the past year.
1. Twitter

Twitter grew exponentially in 2010 thanks to support from major celebrities and the masses, enabling users to follow and connect based on common interests. Twitter enables its users to send and read messages called tweets, text-based posts of up to 140 characters displayed on the user’s profile page. Tweets are publicly visible by default, however senders can restrict message delivery to their followers. News sources from ESPN to TMZ to CNN regularly rely on tweets during news broadcasts.