Immigration attorney Andres Mejer's advice for immigrants on social media use. He emphasizes the importance of being cautious online, as authorities and others may monitor posts. Key tips include avoiding illegal activity displays, offensive comments, showing off wealth, posting double-edged jokes, and sharing false information. Mejer also advises against adding unknown people to protect reputation and privacy. The summary underscores the need for immigrants to be mindful of their online presence to safeguard their immigration status and future in the U.S.