AT&T is asking drivers to take a no texting pledge, story here complete with a few 'last text' examples. It's not much to remember a person by.
AT&T texting pledge
I have a super cheap cell phone plan that doesn't let me text. Never could see the use for typing with my thumbs.
Language takes up enough of a person's brain anyway. I had a job for years where I noticed that every time I made a mistake, it was because I was talking.