Zoe Quinn, a video game designer at the center of the online defamation and harassment nexus known as GamerGate, said Wednesday she has dropped harassment charges against her ex-boyfriend. Quinn, 27, wrote in a long entry posted to her blog that she had withdrawn her case against software developer Eron Gjoni after "a really, really long 2 years" that have left her "more than a little tired." She described the difficulty of prosecuting online hate speech and her fear of setting the wrong precedent for e-harassment if she lost the case.