Group 1 - The core viewpoint of the article highlights that Airbnb's revenue growth rate in Q4 has increased to 12%, with free cash flow rising by 13.7% to $521 million, leading to a 5.7% increase in stock price during pre-market trading [2][4] - The company reported a 10% year-over-year increase in night stays and property bookings, with total bookings growing by 16%, indicating an increase in user spending on reservations [2][4] - Despite the growth in bookings, the company's operational profit declined by 37% due to significant increases in spending on marketing, operations, and customer service [2][4] Group 2 - For the full year, Airbnb achieved a revenue of $12.2 billion and an operational profit of $2.54 billion, remaining relatively stable compared to 2024 [2][4]