This is a nice video infographic by To-Fu Design “29 Ways to Stay Creative”
Most useful is stay of the computer, go somewhere new and surround yourself with creative people.
infographic
Visualizing book sales
This lovely measurement comes from lovereading.co.uk 
Infographic: 40 year history of e-books
How Google works
Nice infographic on how Google works
Perspective is everything
From information is beautiful comes another wonderful info-graphic.
