Read the article again. Are these sentences true or false? Correct the false sentences. According to the article ... 1 the first social network appeared 25 years ago. 2 people all around the world use Facebook. 3 Facebook was originally for students. 4 a lot of teens are happy to have their parents as Facebook friends. 5 Twitter is better than Facebook for finding out about news. 6 the blogger is sure about what will be the social network of the future.​