This tutorial demonstrates how to use Twilio and AWS Lambda to set up a phone number that can be texted to interact with the OpenAI GPT-3 language model, creating a personal virtual assistant. The process involves setting up an OpenAI account, obtaining necessary authentication keys, creating an AWS Lambda function, configuring a Twilio phone number, and writing code to parse incoming messages, send them to OpenAI for response, and then return the response to the original sender via Twilio. By following these steps, users can create a powerful language-based application that provides accurate and informative answers to their questions in a more natural and convenient way than traditional web searches.