One of the most dramatic changes in connectivity and communications in the past few years has been

The right phrase to fill the blank is: widespread use of mobile devices with wireless internet connectivity.

This is one of the major changes that have occurred in recent years, where we no longer have to access internet from local area network connection which requires a cable for you to connect to the internet and a computer is no longer necessary to be able to use it as well.

the answer to this question would be shared investment

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