When I bought my Blackberry, I thought about the 30-year business I ran with 1800 employees, all without a cell phone that plays music, takes videos, pictures and communicates with Facebook and Twitter. I signed up under duress for Twitter and Facebook, so my 7 kids, their spouses, 13 grandkids and 2 great grand kids could communicate with me in the modern way. I figured I could handle something as simple as Twitter with only 140 characters of space.
1) Can identify celebrity voice-overs in TV commercials.
2) Can read difficult books even in dim light.
3) Can always, always, put commas in correct places.