#7 Tavis Smiley

The 48 year old PBG talk show anchor and entrepreneur avoided cell phone as he thought he was over depending on the gadget, reports Business week. The head of Smiley group said that cutting himself off from the world of cell phone lets his employees to have more conversational time with him.

#6 Thierry Breton

Thierry Breton was the first CEO to introduce the zero e-mail policy. The top executive of Altos says “If people want to talk to me, call or send me a text message. Emails cannot replace the spoken word.” Report by Forbes says that the belief of e-mails causing distraction, lead Breton to take this decision. No wonder why he was elected as the worst CEO in 2011.

#5 Hank Paulson

Paulson who served as United States Secretary of the Treasury and as the former CEO of Goldman Sachs does not use email, reports Business Week. He prefers to make conversations over the phone and would like to fetch answers through rapidly firing questions.