Florida, Orlando, FL, United States. Social presence, or the feeling of being there with a “real” person, is crucial. component of the interactions that take place in virtual reality. This paper. A total of articles reviewed, several techniques and algorithms on customer analytics for food delivery services in social media are lexicon, machine learning, natural language processing and NLP. This integrative literature review follows some of our previous work in this area, notably developed by Aresta, Pedro amp Santos, but in this one we focused our analysis on the review of meta-analytic studies on m-learning published to provide a snapshot of existing research in this area. Keywords used in research, Social networking sites: an overview. Ellison and Boyd defined social networking sites as "a networked communication platform in which participants 1 have uniquely identifiable profiles consisting of user-contributed content, content provided by other users and /or data at the system level 2, can publicly articulate connections that can be This article studies how the presence of social learning affects the strategic interaction between a dynamically pricing monopolist and a forward-looking consumer population , within a simple two-period model. Our analysis leads to three main lessons. First, we find that the presence of social learning has significant structural implications.