European Firms Try Out Twitter

By JAVIER ESPINOZA

LONDON—Last month, citizenrobert was enjoying “the pleasures of slow cooking.” The month before, he was battling with “brutal” winds in Suffolk.

Citizenrobert, it turns out, is Robert Phillips, the U.K. chief executive of public-relations firm Edelman, and he has been using the microblogging site Twitter to share his views and anecdotes with his 815 “followers.”

Mr. Phillips is part of the small but growing community of senior executives using the short-messaging site as a business tool to engage with customers…more