Apple gave developers an awful lot to work with today at the Worldwide Developer Conference (WWDC), and many left happy – or at least happier than they were when they got up this morning. But much of what Apple announced on-stage was designed either to keep the other Titans of Technology off their turf, or to add a new feature to attract consumers from the other Titans’ platforms.

Indeed, these are just the latest volleys in a high-stakes match for consumers’ hearts and minds – and, ultimately, their wallets. The chart above summarizes some of Apple’s moves today, and who they impact most. As well, I’ve thrown in some speculation on what might happen next as a result.