What's in a Definition?

What I'm reading: Motor Mouth, by Janet EvanovichApparently, there were some serious issues with Twitter for a couple of days at the end of last week. Since that's one networking site I have yet to join, I remained blissfully unaware and suffered no withdrawal symptoms. To date, this cartoon in yesterday's paper sums up my feelings about Twitter.Moving on to the topic at hand: I ran into a