This paper puts light on the technology of Holographic Projections. It examines the relevance of this technology in today's era and describes the process of production of holograms. The significance of holography is further elaborated upon through its various applications and possible future uses. An introduction to the Microsoft HoloLens provides an exciting account of an implementation of this wave of technology through it, serving as the first untethered holographic computer thereby doing what technology does best -making life easy.
In today's era, social media has become a valuable source of information, where people express their opinions. Analysis of such opinion-related data can provide productive insights. When these opinions are relevant to a company, accurate analysis can provide them with information like product quality, influencers affecting other customer decisions, early feedback on newly launched products, company news, trends and also knowledge about their competitors. Hence, harnessing and extracting insights from these sentiments is necessary for these companies to implement effective marketing strategies and better customer service. Carrying the same notion forward, we decided to extract sentiments from Twitter relevant to two e-commerce giants in India, Flipkart and Snapdeal. In this paper, various lexicon based approaches are applied and their accuracy is investigated.
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