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

21 April - InsideView is presenting a free webinar, Sales 2.0: Improve Business Results Using Innovative Sales Practices and Technology, 1:00 PM EDT (GMT -4). The session features Anneke Seley.

22 April - Satmetrix is presenting a free webinar, Creating the Ultimate Customer Experience, 1:00 PM EDT (GMT -4). The session features Laura Brooks.

22 April - Vocus is presenting a free webinar, Monitoring the Social Media Conversation from Twitter to Facebook, 2:00 PM EDT (GMT -4). The session will feature Converseon's Rob Key and Jenna Petroff, Manager of PR for Hardee’s.

23 April (London) - MeasurementCamp, 10:00 AM at We Are Social.

23 April - KXEN is presenting a free webinar, Social Network Analysis Can Boost your Marketing Performance, 12:00 PM EDT (GMT -4). The session will focus on using KXEN's new KSN social network module on corporate data sources. via KDnuggets

27–29 April (San Francisco) - New Communications Forum

28–29 April (San Francisco) - Inbound Marketing Summit

3 June (Washington, DC) - PR Measurement Conference

17–20 May (San Jose, CA) - ICWSM

2–7 August (Singapore) - ACL-IJCNLP