Facebook M adds to mobile assistant sprawl with Cortana, Siri, Google Now ZDNet

Facebook's move to create an artificial intelligence (AI)-powered personal assistant dubbed M could be a technology step forward. But M is also going to contribute to a personal assistant bandwagon that's going to get crowded. Welcome to the world of personal assistant sprawl. Microsoft, Google and Apple all want their mobile platforms to anticipate your needs, schedule appointments, give you directions and even buy gifts for your sibling. Now Facebook is in the fray.