Calvin, a resident of South Park, Colorado, creates a website called But Seriously, which acts as an electronic billboard for posting funny stories. Ted, a resident of Northridge, California, posts a story on the website. Stu, another California resident from San Diego, files a lawsuit against Calvin in a federal district court in California, claiming that Calvin had defamed him on his website. Based on these facts, does Calvin have sufficient "minimum contacts" to give the California federal district court in personam jurisdiction over him?