Vanna Jigina appears to be a film with good intentions, aiming to explore the pitfalls of social media—specifically Facebook—and how it can encourage people to construct online personas that don't reflect who they truly are. A similar concept was examined in Nee Naan Nizhal last year; however, while that movie used this idea as part of a crime narrative, here Ravi Nanda Periyasaami utilizes it to tell a love story. T…