Social media is a very powerful & effective tool when it comes to reach Masses localy or internationally , in Regards of real estate , One has to maintain a consistent presence with various kind of content whether educational videos, profesional pictures & videos of properties , along with that keep effective client relations even post sale and get feedback & testimonies and post them on social media so international investors can see & relate and reach out to you as leads hence from there agent can convert leads into deals with professional knowledge & ethical based handling .Thanks