Facebook CEO Mark Zuckerberg on Sunday shared a dramatic Fourth of July video of himself toting an American flag while riding an electric surfboard across a lake — once again lighting the internet up as the social media crowd chimed in. “Happy July 4th!” Zuckerberg, who’s worth an estimated $132 billion, wrote on the Instagram post of the video. The Facebook founder appeared to be riding a $12,000 Efoil board, which allows users to glide above the water. [Cut] Some social media users also resurfaced a May article from The Information that said Facebook planned to repair its image by...