Answer: E- viral marketing
Explanation: Viral marketing is a business technique that utilizes a public system at the current time to improve a commodity. It means the way customers disperse news and data about a commodity with other individuals.
In this case, Microsoft Game Studios built a complicated marketing strategy that started on the internet with the hope that individuals who went to the website would send other people to the website so as to make the business go viral.
Viral marketing may be done in the aspect of a short portion of media that uses electronics to access the content which comes in audio or video clip, pictures or websites.