What should a good communicator know about technology?

$$They must know all technologies.

$$ They know that all technology choices can be used interchangeably.

$$They understand that social media is inappropriate for business communication.

$$ They keep current with new technologies and determine the best technology to use for a given task.

They avoid trendy new technology choices in favour of tried$-$and$-$true methods like phone calls, memos, and face$-$to$-$face meetings.