We do our best to go paperless, yet there's one small piece of paper that seems to endure: the business card. Of course there are apps to exchange contact information, but I’ve yet to attend a conference where even the most tech-adept people were not trading old-fashioned, paper business cards. “Dignified, unembellished” business cards have long been ethically permissible, even when other forms of advertising were not. But you can't overlook the fact that state ethics rules often apply to this seemingly benign form of information exchange.Originally published March 13, 2012
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