> they have a lot more inertia than most other tools because they are, by nature, shared by groups. The term you're looking for is "network effect". http://en.

> they have a lot more inertia than most other tools because they are, by nature, shared by groups. The term you're looking for is "network effect". http://en.wikipedia.org/wiki/Network_effect http://en.wikipedia.org/wiki/Network_effect