Apple (NASDAQ: AAPL) is kicking off its annual Worldwide Developers Conference today, and there are expectations that it will introduce some new software beyond its usual updates to its iOS platform and OS X platform for Macs. According to a report in the New York Times, which cited unnamed sources, Apple will likely introduce a new Healthbook app to monitor things like a user's footsteps, heart rate and sleep activity. The report also said Apple could unveil tools for developers that would allow apps to more easily communicate with home appliances. Apple is also likely going to update its iBeacon location-based tracking and sensor technology, according to the Wall Street Journal. FierceWireless will be covering WWDC, so check back this afternoon for updates from the conference.