solved How important is it to include social media, the ability

How important is it to include social media, the ability to blog in creating a web site for a non profit organization? It seems that most sites these day include links to their facebook, twitter, blogs and other social media sites. You rarely see a site anymore that does not ask their visitors to “Like” them on facebook. What does it all mean? Why has it become a mandate to address social media on your website? Must a web site include these links to stay popular are achieve their mission?