PR NEWSWIRE -- Mar 1 -- Online Singles, LLC (www.matchdoctor.com) is combining social networking with online dating. Friend networks, tagging, blogging, photo albums, and forums features allow people to connect with other people in different ways beyond traditional user search engines. "Our goal at Matchdoctor.com is to take...social networking and its features and make it dating-centric," said Luke Kalish, President.