1) The document discusses telepresence, which uses audio and video streams to connect geographically separated people and allow them to interact as if in the same location. 2) Telepresence has applications in hazardous environments, education, and pipeline inspection. It provides benefits like saving time and costs while improving productivity. 3) While telepresence replaces some in-person interactions and can fail due to technology issues, a survey found most people understand the concept and its use is increasing in business and education.