Life is more comfortable today than ever in history, thanks to a dizzying array of modern conveniences we never imagined we could live without. But if King Henry VIII, Mahatma Gandhi, or Alexander the Great had access to the modern conveniences we currently enjoy, from motivating nutrition apps to sweeping social media and life-saving antibiotics, history would've taken a dramatically different turn.

In this entertaining exploration of history merged with contemporary times, discover how a selection of modern conveniences would've impacted the lives of some of the world's most recognizable historical figures—and altered the course of humankind.