Stick to no more than three products, tweeted Jack Dorsey, the software architect and business mogul.

Liz Walsh
Liz Walsh on October 27, 2011. @LizG212

Jack Dorsey, creator of Twitter, thinks that Nokia makes too many products, and recommended the company stick to no more than three. Not bad advice – when Steve Jobs returned to Apple, he had the company focus on only four computers. Business Insider.