It would be at least two decades before some of the technologies he demonstrated saw
widespread use, but all of them are used by
people today. Here is a list of some of Engelbart's
technologies. Which ones do you use today?

How does the use of e-mail benefit business communications? it can be sent at any time. it is faster than regular mail. it improves writing skills. it is less expensive than using a courier. it reduces the need for proofreading.