Make Opinionated Software (by 37signals)

Getting Real: Make Opinionated Software (by 37signals):

"The best software has a vision. The best software takes sides. 
When someone uses software, they're not just looking for features, 
they're looking for an approach. They're looking for a vision. 
Decide what your vision is and run with it.

And remember, if they don't like your vision there are plenty of other visions out there for people. Don't go chasing people you'll never make happy."

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Example: Ruby on Rails.
It made Ruby relevant and influenced most other web frameworks since.
Current example: AngularJS