Day 80 comes with some readings related to HTTP smuggling with 5 practical tips from Pieter :)
Day 79 comes with a write up source related to price manipulation and Cookie Based XSS Exploitation :)
Day 78 comes with a write up source related to admin disclosure and roadmaps for hunting learning :)
Day 77 comes with the exploit for shellshock and a nice site to find bug bounty tips.
Day 76 comes with a writeup source related to Blind XSS and JS files analysis.