The photograph of his wedding to Michelle Obama in Chicago in 1992 was included. Than the visitors were invited to take a walk in the backyard. Expressing himself, Mr. Obama can’t forget that he is the President, in other words a man who has more major responsibilities than others. So he expects to consult with people on Facebook about serious problems, like the climate change. He also hopes people will self educate and will ask their friends to do the same. Commentators observed that Mr. Obama has a 20-member social media team at the White House.