Avaaz hits 20m members, Beppe Grillo, and digital lessons for political parties

Aside from an no-new-news Observer interview with co-founder Ricken Patel, Avaaz hasn’t shouted about its milestone of 20m members. According to the Observer, these members make Avaaz the world’s biggest online campaign group. You have to admire their out-of-nowhere exponential growth:

Avaaz growth curve
Avaaz’s growth curve, from an Avaaz email (note additional 2.5m in just a few months)