Over the past year, some Internet marketers have noticed that the Web, once a global network to connect people around the world, is now subject to the regional decisions of ISPs, governments and search engines, which engage in "filtering" or censorship of content. For the online marketer, this means that dollars spent on international SEO, social media, display and e-mail campaigns and so on may be futile if a government or corporation chooses to stand in the way.