When Using IM to Communicate with Clients and Vendors,your Greatest

Multiple Choice

When using IM to communicate with clients and vendors,your greatest concern is likely to be

A) incompatibility between your company's IM system and the systems your vendors and clients use.
B) the need for users to learn complicated software that may take years to learn.
C) the ability to use it only on expensive,highly specialized devices.
D) the high cost.
E) the need to include visual references.