Smartphones provide the ability to get answers really fast. In some situations, a student may not ask for clarification to a question he or she has in an open classroom—because they can use their smartphone to get the answer they're looking for.
Mobile phones provide the means to communicate with friends, family, coworkers, and indeed most of the world's population instantly. Unlike previous communication devices, they can be on hand for the caller at all times and used in any place where there is a signal.