Hadfield was described as `` perhaps the most social media savvy astronaut ever to leave Earth '' by Forbes after building a considerable audience on social media , including over 1,000,000 Twitter followers , and creating one of the top Reddit AMA threads of all time . He also has a popular Tumblr blog .
Forbes described Hadfield as `` perhaps the most social media savvy astronaut ever to leave Earth '' with an audience all over the internet including over 1,000,000 Twitter followers , over 600,000 Facebook fans , one of the top Reddit AmA threads of all time and a popular Tumblr blog .