This document discusses social media usage in Spain. It notes that Spain has a population of 47 million, over 90% are Catholic, and the median age is 40. Facebook is the most popular social media site with 69% of internet users, followed by YouTube, Tuenti, and Twitter. Tuenti is a Spain-based, invitation-only social network popular among students and young people that is considered the "Spanish Facebook". The document outlines some differences between Tuenti and Facebook and notes that Tuenti is gaining popularity in Spain and other countries.