How to Focus on One Thing in a Multitasking World?

In our plugged-in world of constant distractions and never-ending emails, texts, and tweets, it’s hard to focus on just one task. UC Irvine researcher Gloria Mark has found that interruptions can cause increased levels of stress and anxiety. There’s simply too much information to consume and distribute; and that’s affecting our brains. Is the remedy single-tasking? And how can we mono-task in a multitasking world?