Facebook on Monday filed an updated version of its S-1 that included the company’s first-quarter results. The social networking giant saw $1.06 billion in revenue, up from $731 million in the same quarter last year but down from $1.131 billion in the fourth quarter of 2011. Facebook saw net income of $205 million, down from $233 million in the same quarter last year and down $302 million sequentially. The website now has 532 million daily active users, up from 372 million last year and 483 million in December. Facebook’s monthly active user count rose from 680 million last year to 901 million, and users uploaded 300 million photos per day on average while generating 3.2 billion combined likes and comments. The updated filing also reveals that Facebook acquired Instagram for $300 million in cash and 23 million shares of stock.