Sparklines dynamically represent activity per topic over time. Start is creation of the topic, end is now. Events are broken down in 10 equal intervals between start and end time. As events count: node creation, node revisions, and comments.

• AFS (8)      
• Apache (32)      
• CSS (5)      
• Document Management Systems (DMS) (1)      
• Drupal (304)      
• Drupal 5.x (88)      
• Drupal 6.x (194)      
• Drupal 7.x (59)      
• Git (10)      
• Mac OS X SIG (12)      
• MediaWiki (14)      
• Miscellaneous (21)      
• Mobile Technology (5)      
• Open Journal Systems (2)      
• Stanford Open Source Lab (1)      
• Video & Multimedia (29)      
• Web Development (73)      
• WordPress (43)