@@ -1122,7 +1122,7 @@ Graphs can be used to represent many problems in computer science, so this secti
- performance analysis and optimization
-[ ] **START HERE**: [The System Design Primer](https://github.com/donnemartin/system-design-primer)
-[ ] [System Design from HiredInTech](http://www.hiredintech.com/system-design/)
-[ ] [How Do I Prepare To Answer Design Questions In A Technical Inverview?](https://www.quora.com/How-do-I-prepare-to-answer-design-questions-in-a-technical-interview?redirected_qid=1500023)
-[ ] [How Do I Prepare To Answer Design Questions In A Technical Interview?](https://www.quora.com/How-do-I-prepare-to-answer-design-questions-in-a-technical-interview?redirected_qid=1500023)
-[ ] [8 Things You Need to Know Before a System Design Interview](http://blog.gainlo.co/index.php/2015/10/22/8-things-you-need-to-know-before-system-design-interviews/)
