Came across a very interesting and, potentially, rather useful site containing a heap o’ good “rules of thumb” to go by in many different situations.
A few I thought spoke to how unique and varied the subject matter can be:
For marketing purposes, elderly consumers think they are 15 years younger than they actually are.
When ants travel in a straight line, expect rain. When they scatter, expect fair weather.
People are willing to walk for seven minutes to get to a McDonald’s. That’s why you’ll find McDonald’s restaurants a 14 minute walk apart in downtown areas.