General Terms

Subscription Model

A business model where a customer must pay a subscription price to have an access to the product/service.

Video Streaming

Content, sent in the compressed form over the Internet and displayed by the viewer in real time.


A popular term among computer scientists. Distinguishes something that is merely conceptual from something that has physical reality. E.g. virtual memory, virtual addresses, where you can store data, etc. 


Stands for Video on Demand. A technology that allows users to select and watch video content on their TVs or computers when they choose to, rather than at a specific broadcasting time. 


Stands for Voice over Internet Protocol. A technology that enables to transmit voice communications over IP networks (or simply to make and receive calls over the Internet).

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