San Francisco (AFP) – After months of controversy, Elon Musk is now at the head of one of the most influential social networks on the planet, whose “tremendous potential” he has promised to unleash. What changes can we expect for the platform from the multi-billionaire chief executive of Tesla and founder of SpaceX? New bossOne of Musk’s first decisions was to sack Twitter chief executive Parag Agrawal, chief financial officer Ned Segal and head of legal affairs Vijaya Gadde, according to several US media outlets. The billionaire entrepreneur will have to find replacements for them. “Musk is i…