Mathematics at Google by Javier Tordable.
High spots history of Google with an emphasis on the mathematics that came into play.
Highly motivation!
I first saw this at: Four short links: 28 September 2012 by Nat Torkington.
Nat remarks this should encourage high school and college students to do their homework.
True, but post-college folk should also maintain math literacy.
Not just having math skills but also recognizing the unspoken assumptions in mathematical techniques.