E-mail, texting, and social media have largely replaced television. the internet. newspapers. handwritten letters.

The answer is Hand written letters

Phones have taken away all sort of physical communication.

You rarely see people going over to tell someone something or writing a letter when they can just text them.

I hope this helps :)

E-mail, texting, and social media have largely replaced handwritten letters.

In the past, handwritten letters used to be a source of communication between people, specially those living far away from each other. However, as a result of the increasing advance of technology, we count on a wide range of tools to use in order to talk to someone by writing them. E-mails, text messages, whats*pp and direct messages on different social medias such as Instagram, twitter allow us to be in contact easily regardless the distance and time.

they were the direct result of some cultural difussion.

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement