18 March - Visible Technologies is presenting a free webinar, Realizing the Social Media Dream: Achieving Marketing ROI by Harnessing the Power of Word of Mouth, 12:00 PM EDT. Jeff Zabin will discuss results from the recent Aberdeen Group report on the topic.

InsideView is presenting a series of free webinars.

• 19 March - "Survival of the Fittest (or at Least the BEST Informed): Real Customer Insights & Strategies in the Year of the Economic YoYo," with Paul Greenberg
  
• 7 April - "Value Selling with Sales Intelligence: The Key to Sales Survival in a Downturn," with Alex Jeffries
  
• 21 April - "Sales 2.0: Improve Business Results Using Innovative Sales Practices and Technology," with Anneke Seley

Satmetrix is presenting a series of free webinars. All events start at 1:00 PM EDT (GMT -4).

• 25 March - "Economic Value of Word Of Mouth," with Vince Nowinski
  
• 9 April - "Acting on Customer Feedback Results in Increased Net Promoter Scores," with Symantec's Desiree Madison-Biggs
  
• 22 April - "Creating the Ultimate Customer Experience," with Laura Brooks

25 March (London) - MeasurementCamp, 10:30 AM at Dare Digital.

26 March - J.D. Power & Associates is presenting a free webinar, The New Math: How to Leverage Social Media for Consumer Insights , 1:00 PM EDT (GMT -4). BusinessWeek marketing reporter Burt Helm will moderate a discussion with Stephen Baker, author of The Numerati, and J.D. Power's Janet Eden-Harris.

29 March 2009 (Shanghai) - Workshop on Modeling, Managing, and Mining of Evolving Social Networks (M3SN). In conjunction with the 25th International Conference on Data Engineering ICDE’09.

20–24 April, 2009 (Madrid) - 18th International World Wide Web Conference (WWW2009)