Tinder was technically launched in 2012 but the swiping thing came out in 2013. These tools are an essential part of connection for a large group of people. And you can't really handwave social media aside, it's been absurdly relevant since 2014. The Apple watch launched in 2015 and had led a revolution in wearable internet-connected tech. 4k TVs and subsequently hq streaming wasn't a thing til after 2012.