Forty-one percent of executives say social networking contributes to building and maintaining workplace culture, but only 21 percent of employees believe the same, according to a new Deloitte LLP survey conducted by Harris Interactive.

Another 45 percent of executive respondents say social media positively impacts workplace culture while 27 percent of employee respondents agree. In fact, 38 percent of executive respondents say social media increases transparency, and 17 percent of employee respondents say the same.

"Our research suggests executives are possibly using social media as a crutch in building workplace culture and appearing accessible to employees," says Punit Renjen, chairman of the board for.  "While business leaders should recognize how people communicate today, particularly millennials, they must keep in mind the limits of these technologies. The norms for cultivating culture have not changed and require managers to build trust through face-to-face meetings, live phone calls and personal messages."