What Twitter can learn from that time Coca Cola changed its formula
- Written by Collette Snowden, Senior Lecturer, School of Communication, International Studies and Languages, University of South Australia

The 140-character message limit has defined Twitter. But the company is now experimenting with its format, doubling the length of some users’ tweets to 280 characters. Why are they taking such an enormous risk, playing with the characteristic that defines and differentiates the...
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