24/7, the online ad sales house, has appointed Dominic Elfer account director. He reports to sales director Mark Nall. Elfer joins from rival sales house TSMSi, where he was sales manager. Recent UK sites signed up by 24/7 include Hollinger-backed women’s portal www. handbag.com, www.autobytel. co.uk, and music e-commerce site PeopleSound.