Friends on CrackBerry? Miss Manners' advice

Many workers are constantly wired to their jobs through their BlackBerrys, and can't seem to stop checking messages and texting long enough to have a social conversation. In a September 5 Ask Annie column, etiquette expert Judith Martin says we should have a little sympathy for friends doing business during social hours. What do you think? Do you have friends that need to lay off the BlackBerry? Are you a text addict? Do you think your friends should be more understanding?