Twitter has evolved into a valuable tool for sharing online content via links, so it only makes sense to track the popularity of those links.
Archive | Twitter 100 > Twitter Trends
34Twitaholic
Twitaholic accesses Twitter’s database statistics to display the most popular users, according to number of followers, friends and updates.
40hashtags
See what everyone’s tagging about on Twitter with this feature-filled site that’s dedicated to the twitterverse’s ever-changing metadata.
46Trendistic
Whether for business or for fun, Trendistic lets you keep track of your favorite words over time to see how often they’re tweeted about.