Wikipedia recognizes that to-and-fro tussling -- or "edit warring" -- is damaging to its reputation, and some of the more controversial topics -- such as those on Islam, Elvis Presley and abortion -- have been locked to limit who can alter them.

CNN: Use with caution: The perils of Wikipedia

But they provide employees with locked-down desktop computers, limit the use of employee-owned technology, and often ban the use of social media applications outright.

FORBES: Make Your Workers Happy: Let Them Use Their Own Devices