Media Converged, a division of Qwasi Inc.

Twitter gives an instant snapshot of the buzz around television shows, computer game launches and even new ads, but many media executives are simply too busy to tweet or engage with the microblogging service very much themselves.

Digital reluctance is particularly strong amongst “old media” leaders, who told this week’s Reuters Global Media Summit they were uncomfortable with sharing personal information, especially in 140-character bursts.

Maurice Levy, chief executive of advertising group Publicis, said Twitter and its social networking sister Facebook were simply not for him.