WordPress software, Keller's complaint explained, "has long been promised to be free and available to everyone forever." This promise propelled WordPress' popularity to, by its own estimates, "encompass more than 40 percent of all websites in the world," his complaint said. In the 10 years Keller used WPE, he never had any issues accessing the WordPress ecosystem, and he thought WordPress had guaranteed that it would stay that way—especially since WPE's use of the trademark appeared to be "expre...