How to start a startup: #8 - How to Get Started, Doing Things That Don't Scale, Press

Three different topics, 3 speakers:

Stanley Tang, Founder of Doordash, covers How to Get Started.
Walker Williams, Founder of Teespring, covers Doing things that Don't Scale.
Justin Kan, Founder of TwitchTV and Partner at Y Combinator, covers Press.

Here's the link to the video: https://www.youtube.com/watch?v=oQOC-qy-GDY#t=378
And here's the link to the reading materials: http://startupclass.samaltman.com/lists/readings/

Here's a new product idea: A quality rating for video talks, one of the features of which counts the number of times the speaker says "um, like, you know..." and other filler words that really detract from the overall quality.  (check the last speaker, and see if you agree)