Tax rebates: A clue to co-workers’ salaries

If you’re attentive, or snoopy, the tax rebates that are starting to arrive in Americans’ bank accounts this week are a chance to figure out roughly what co-workers make, writes Fortune’s Anne Fisher in her April 29 Ask Annie column. Is pay a big secret where you work?Is there anyone whose pay you’re curious about — or who you suspect is curious about yours? Have you ever tried to figure out a co-worker’s salary?