Color-changing coffee lid says 'safety first!'
As I sat today with my morning cup of coffee, waiting for the powers of that sweet, sweet caffeine to take hold of me, a co-worker sent me this announcement. The latest issue of Business 2.0 contains a list of what they call the 29 best business ideas in the world. Among them, a color-changing coffee lid that warns sleepy drinkers of some of the common dangers of coffee consumption, namely coffee that's too hot, and an unsealed lid. Welcome news for this groggy blogger.
The lid looks like a regular plastic lid, like the ones placed on … Read more