Which internet calling service was created in 2003 by a team of Estonian engineers?
Answer and explanation
Correct answer: A. Skype, which later became one of the most used video call services
- Step 1: The software was developed in Tallinn by Estonian programmers together with Scandinavian founders. Step 2. Skype was created by Ahti Heinla, Priit Kasesalu and Jaan Tallinn, with Niklas Zennström and Janus Friis. Answer: Skype, which later became one of the most used video call services. Why not the others: WhatsApp, Zoom and Viber were developed by other teams.
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