Meta Platforms' shares rose in after-hours trading after beating analysts' expectations on revenues and profits for the fourth quarter.Revenues for the quarter were $48.39 billion, up 21% YoY, while net income rose by 49% YoY to $20.8 billion.Meta AI chatbot now has more than 700 million monthly active users, with a target of reaching one billion users this year.Daily active users for Meta reached 3.35 billion, surpassing analysts' expectations.