Here are a few articles on productivity.
On LifeHack
Why “To-Do” Lists Don’t Work, and How to Change That
June 6 by Kirstin O´Donovan
On Inc.
The No. 1 Way to Kill Productivity
Jun 7, 2013, Ilya Pozin
On Forbes
Microsoft Study: Employees More Productive With Social Tools Yet Companies Still Block Them (Infographic)
May 28, 2013, Mark Fidelman
10 Predictable Habits of Productive People
May 27, 2013