Matthew Morlidge moderator 5pts After purging his Instagram and Twitter accounts over the Christmas period, Lewis Hamilton is finally back on social media.The four-time world champion wrote on his Instagram account: "2018. A chance to revisit every goal, every challenge, every dream. A chance to be driven, hard working, positive, and everything you want to be, all over again. "I will never stop, I have no finish line. Join me this year in reaching beyond your wildest dreams."The picture is currently the only post on either of his Instagram and Twitter accounts.