"Working in an office with an array of electronic devices is like trying to get something done at hom..." — Marilyn vos Savant

While you're writing, you can't concentrate nearly as well on what the speaker is saying.

Understand why casinos and racetracks stay in business - the gambler always loses over the long term.

The difference between talking on your cell phone while driving and speaking with a passenger is huge. The person on the other end of the cell phone is chattering away, oblivious.

Spending waiting moments doing crossword puzzles or reading a book you brought yourself.