Mashable reports that Facebook’s Insight tool for publishers of Facebook plugins has received extensive updates. The updates allow publishers to now get realtime info on how their stuff is performing on Facebook.
While definitely not the final word on the subject, the IAB has recently published “Social Media Ad Metrics
Definitions.” The document specifies metrics for social sites, blogs, widgets, and other social applications.
Check out Twist to see what the current trends on Twitter are. Here’s an example chart for the word “shopping” that shows relatively consistent levels over the week with an increase starting on Thursday and reaching a peak on Friday.
Clickz article about web analytics for social media.
If you’ve ever wanted to know how all of your Facebook friends are connected, here’s a great visualization tool from Thomas Fletcher. Check out Friendwheel.
Here’s a great article about measuring success in social media