For legal professionals, social media offer a powerful and economical set of tools for marketing, research, networking, collaboration and more. But as with any emerging media, there are uncharted pitfalls as well.

Ethics and social media was to be front and center at the American Bar Association’s annual meeting this month in its hometown, Chicago. The ABA’s House of Delegates — its governing body — considered the recommendations of the ABA Commission on Ethics 20/20, which has proposed revisions to the Model Rules of Professional Conduct to address changes in technology.