Facebook Inc. said Tuesday it has introduced a new feature to its mobile app that allows news and public affairs publishers to have content posted directly on Facebook feeds and appear 10 times faster than typically shared articles. In a blog post on its website, Facebook product manager Michael Reckhow said most articles take an average of eight seconds to load on Facebook's mobile app, which is "by far the slowest single content type on Facebook." He said there are nine initial launch partners for the new feature, called Instant Articles: the New York Times, National...