From telegraphs to online video calls and from fax machines to emails, the communication means have evolved exceptionally. Now the world has shifted from wired networks to wireless transmission, the internet being the most significant model. 

Nowadays people do not want to wait for replies; messages are sent and received in milliseconds. Modern messaging apps are an example of it. Transferring large files was a problem for businesses in the past, as it could take hours to load. Currently, centralized cloud storage is giving easy access to data anywhere in no time. 

Source de l’article sur DZONE