A term derived from the words 'free' and 'premium' refers to the users which are using free services can take advantages of premium services offered by the company or organization. It is used to describe a strategy developed by digital software houses that users can avail premium services for free for a short period of time.
Diagrams
Originated from/Coined by
Jarid Lukin
Further Reading/ References
https://en.wikipedia.org/wiki/Freemium