When bestselling author Ray Comfort picked up his dog and put him onto his bike, he didn't realize that he was creating an internet sensation. Nor did he realize that he stumbled upon one of his greatest tools for evangelism.

Comfort's Living Waters YouTube channel has since exploded to over 75 million views of him evangelizing to strangers on the street.

He speaks with us about evangelism in the 21st century

Listen to the full conversation here: