In 2011, Microsoft acquired Skype for $8.5 billion and turned it into a terrific program for voice and video communication and a winning investment. In 2018, Slack signed a contract with AWS to spend at least $250 million a year for five years to enrich the Slack platform and take the ‘business collaboration software market’ by storm.

Technological advancements have the uncanny strength of pushing over top-performing apps down the hill. Innovation brings in better utilities for the benefit of the user community. Skype seems to be weathering that for quite some time before being on the way out, almost.