The document discusses several startups and technologies including: 1. ZunRoof, an app and website platform for solar panel installation that uses image processing, IoT, and data analytics. 2. Oxfordcaps, Asia's first student housing company using technologies like virtual tours, machine learning roommate matching, and integrated communication systems. 3. Rezo.AI, an AI assistant that can automate customer service conversations using natural language processing and predictive analytics trained on historical data. 4. Paytm, a mobile payments platform founded in 2012 allowing instant payments between individuals using only mobile numbers.