1) The document discusses social network usage in Vietnam based on data from comScore. It finds that social network usage has grown rapidly in Vietnam with the popular local platform Zing Me reaching over half of social network users. 2) Social media users in Vietnam tend to be younger, between 15-24 years old. They spend more time online on average than older users. 3) Key activities on social networks in Vietnam include photo sharing, instant messaging, and visiting entertainment and news sites. Usage is focused around aspirational younger demographics.