Hey this is Presh Talwalkar. I studied Mathematics and Economics at Stanford and post math problems, brain teasers, interview questions, logic puzzles, viral math problems, and interesting topics suggested by viewers from around the world. 2017 Shorty Awards Nominee in STEM (Science, Technology, Engineering, and Math) along with winner Bill Nye; nominees: Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy, Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter. Press http://mindyourdecisions.com/blog/press My Books on Amazon https://www.amazon.com/Presh-Talwalkar/e/B008DKL6VG/ Send me your suggestions: click on "for business inquiries" to see my email address. *I am not accepting sponsorships/partnerships at this time, but I am happy to discuss great opportunities. Twitter/Instagram @preshtalwalkar For links in my video descriptions: as an Amazon Associate I earn from qualifying purchases. This has no effect on the price for you.