What are some innovations that come across as obvious solutions for problems? Something that makes you say, "Why didn't anyone think of that before?" Three that I can think of are: ketchup bottles that pour from the bottom, adding a notch to make it easier to tear open sealed packages, and having a single line for all bank tellers instead of a line for each teller. [more inside]
posted by ShooBoo on Aug 6, 2008 - 69 answers