5 questions for Apple to answer at WWDC

Apple's Worldwide Developers Conference is coming to San Francisco next week, giving CEO Tim Cook a chance to get developers fired up over the latest that Apple has to offer. Don't expect a new iPhone. WWDC is all about software and services, but we'll also get a general update on the state of Apple. Here are some questions Apple needs to answer at the event. When Siri launched in 2011, it was one of the first virtual assistants of its kind, but it now has competitors from Amazon, Microsoft, Facebook and Google.