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Views & Reviews Outside the Box

The medium and the message

BMJ 2012; 344 doi: (Published 07 March 2012) Cite this as: BMJ 2012;344:e1620
  1. Trisha Greenhalgh, professor of primary health care, Barts and the London School of Medicine and Dentistry, London
  1. p.greenhalgh{at}

“Don’t join Twitter,” said some, “it’s full of trivia.” “Do join,” said others, “you can choose who you follow.” I created an account. Nothing happened. The statistics told me why: tweets=0 (I hadn’t posted any messages); followers=0 (nobody had signed up to read them); following=0 (I wasn’t signed up to read anyone else’s messages).

Nervously, I typed a message. “My first Tweet! Here’s a cute clip of a deaf toddler having a conversation” Some pals “tweeted” …

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