Yes, if anything sums up the hurdles Groupon is facing in China, it's that the language of the country it's trying to take by storm already has a single, specific word to describe its business model.

There will be more Mittals: not just Tatas or Cherys, emerging from giant, booming domestic markets; but new creatures, bursting out of nowhere to take the world by storm.

Twitter has take the web by storm these past couple of years, and consequently many web developers have tried their hand at making a clone of the popular web service.