I had the opportunity to present a webinar on Apache Tomcat 8 for my employer Pivotal. It's through the series of free public webinars that they produce on community topics such as the Spring Framework, Groovy, Grails and Java development.
Here's a link to the video and slides.
http://spring.io/blog/2014/02/18/webinar-replay-introduction-to-apache-tomcat-8
Here's a link to the code that I demo in the presentation.
https://github.com/dmikusa-pivotal/tomcat-8-features
Enjoy!