Never use the word “cool” to describe an idea, use the word “smart” instead. You’d be surprised how much impact this semantic switch can have.
Advertising for Peanuts suggests how to improve client relationships with a single word-swap. I suspect this would be helpful in any business or group discussion.
(Link via Designing Innovations.)
I heartily endorse this. After seeing a school performance of Grease I tried to make “Solid!” popular as an exclamation, but it never caught.
Generally, I think the world would be a better place if, say, one in four people talked like they were from the 1920s.