Consumer Advisor

In the video below, computer scientist and AI researcher Lex Fridman interviews Aravind Srinivas, CEO of Perplexity, an AI-powered “answer engine.” Unlike typical search engines, which require you to sort through pages of results to find the information you need, Perplexity provides a real-time answer to your query. One of the pitfalls of current AI technologies like ChatGPT is the tendency to hallucinate or fabricate information on occasion. To minimize this risk, you can ask it to provide source links and verify the accuracy of the information given. However, Perplexity addresses this issue from the start, and while it can still hallucinate, it has a factual grounding. “[Perplexity] aims to revolutionize how we humans get answers to questions on the internet. It combines search and large language models, LLMs, in a way that produces answers where every part of the answer has a citation to human-created sources on the web,” Fridman says

In a February 7, 2023, video report (below), investigative journalist Glenn Greenwald reviewed the promise, and threat, posed by ChatGPT, 1 , 2   the "latest and greatest" chatbot powered by artificial intelligence (AI). "GPT" stands for "generative pretrained transformer," and the "chat" indicates that it's a chatbot. The first GPT platform was created by OpenAI in 2018. The current version was released at the end of November 2022, and it took internet users by storm, acquiring more than 1 million users in the first five days. 3  Two months after its release, there were more than 30 million users. 4 ChatGPT uses "machine learning" — statistical pattern finding in huge datasets — to generate human-like responses in everyday language to any question asked of it. It basically works by predicting what the next word in a sentence ought to be based on previous examples found in the massive amounts of d