Ep. 23: This week I learned 'ahoy' was nearly the universal telephone greeting, and more
![This Week I Learned show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/068/514/small/this-week-i-learned.jpg)
Summary: The origins of the telephone greeting | The hijacking effects of eye contact | The other Gettysburg Address | The only government agency with a catchy theme song