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isen.com
David Isenberg spent 12 years at AT&T Bell Labs until his 1997 essay, The Rise of the Stupid Network, was received with acclaim everywhere in the global telecommunications community with one exception -- at AT&T itself! So Isenberg left AT&T in 1998 to found isen.com, LLC.

isen.com is an independent telecom analysis firm based in Cos Cob, Connecticut.

In addition to consulting, Isen publishes The SMART Letter, an open-minded commentary on the communications revolution and its enemies, and isen.blog. He is a popular keynote speaker at industry conferences worldwide. He is also a contributor to wirelessunleashed.com.
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