People tend to tell the truth when they respond to a question in a text message.  They might also reveal intimate info that they might not normally admit.

If you are texting with a co-worker, you might round up and give less precise answers.

People also tend to get themselves into trouble when they text.  What seems like harmless flirting might result in something else. 

Are you more likely to flirt when texting than in person?

Have you ever gotten yourself into trouble through texting?