Worried about the role Elon Musk will have in ruining Twitter? It looks like everyone’s old favourite social media platform is trying to lure back in its user base. This week, Tumblr announced that it will revisit its content guidance rules, allowing nudity back on the platform. “We now welcome a broader range of expression, creativity, and art on Tumblr, including content depicting the human form (yes, that includes the naked human form),” a Tumblr staff post announced. Content that includes “nudity, mature subject matter, or sexual themes,” is allowed once again. It’s not a full-on return to…