A friendly intro is a warm and welcoming introduction to someone or something. It can be used in many different contexts, such as introducing a new employee to the team, introducing a new product to the market, or introducing a new concept to an audience. The crossword solutions for the term 'friendly intro' are ECO (3 letters) and USER (4 letters). ECO stands for 'ECOLOGICAL' and USER stands for 'USER-friendly'. Together, these two words describe a friendly introduction that is both environmentally conscious and USER-friendly.