The 2014 Sochi Olympics are finally underway, but long before workers carved the first halfpipe in Russia’s Caucasus mountains, Olympic athletes were hard at work training for gold. And for many of them, that meant using the latest high-tech arsenal available for every possible competitive edge. Find out more about the role gadgets played, plus how to watch online, essential apps and more with Digital Trends’ 2014 Sochi Olympics coverage.