radiusIM.com just passed 100,000 users, and 20,000 of those signed up in the past four weeks alone. So where is all this recent growth coming from? Well, after some big technology improvements we recently rolled out a mechanism for inviting friends via email. radiusIM users now invite over 35,000 friends to join radius every day! These emails are having a huge impact and the growth rate keeps accelerating.

It’s been a really exciting year for us and the coming months will likely be even more exciting. A big thanks to all the users out there for making this such a great experience for us.

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