Tech giants Apple and Google are in the European Union's hot seat this week as Apple is accused of hoarding the tech behind its tap-to-pay function, and Google fights a $1.6 billion fine over its alleged push of its AdSense platform over competitors. The EU is also working to integrate a broader set of rules that would govern big tech, potentially changing the way customers use their phones and apps worldwide. Jon Swartz, Senior Reporter at MarketWatch, joins Closing Bell to discuss the EU's big tech crackdown, what could come of it, how your phone's features could change, and more.