Cloud and mobile computing have created an imperative for the tech world: Change or fail. This year, legacy vendors like Dell, EMC and Microsoft all took major steps to reinvent themselves, sparking some of the biggest tech stories of the year. And all around us we’ve seen portents of big change at the intersection of tech and culture: self-driving cars, wearable technology, the use of drones for fun and profit. That’s prompting increased attention on safety, privacy and public policy concerns as consumers and businesses alike figure out how to manage in this pervasively connected world. Here, not necessarily in order of importance, are the IDG News Service’s picks for the top 10 tech stories of 2015.