May Illinois lawyers list their "specialties" on LinkedIn?

May an Illinois lawyer list his or her "specialties" on LinkedIn without running afoul of Illinois RPC 7.4, which forbids use of the "s" word? The LinkedIn template includes a space for users to fill in their "Specialties," and Illinois lawyers in the LinkedIn network have been wondering. According to Helen Gunnarsson in the September IBJ, ARDC Chief Legal Counsel James Grogan says lawyers can remove the risk of an RPC 7.4 violation by "prefac[ing] their listing of practice areas with a statement drawing language from the rule, along the lines of 'The Supreme Court of Illinois does not recognize certifications of specialties in the practice of law, and I do not hold myself out as a specialist. However, I concentrate my practice in the following areas....'" Read about this and more in Helen's LawPulse item, Social media and legal ethics.