misc: update README

README.md

@@ -27,8 +27,7 @@
 
 ## What is this?
 
-No one has time to do a few hundred LeetCode questions. Here's *free and curated* technical interview preparation materials for 
+No one has time to do a few hundred LeetCode questions. Here's _free and curated_ technical interview preparation materials for busy engineers, brought to you by the author of the [Blind 75 List](https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-75-LeetCode-Questions-to-Save-Your-Time-OaM1orEU).
-busy engineers, brought to you by the author of the [Blind 75 List](https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-75-LeetCode-Questions-to-Save-Your-Time-OaM1orEU). 
 
 Besides the usual algorithm questions, other **awesome** stuff includes:
 
@@ -54,7 +53,7 @@ Anybody who wants to land a job at a tech company but is new to technical interv
 ---
 
 <div align="center">
-  <strong>💰 Looking for a job? Sign up for free with <a href="https://triplebyte.com/a/PJaJNpO/tihg">Triplebyte</a> to efficiently interview with top tech companies! 💰</strong>
+  <strong>💡 Looking for high quality interview courses? <a href="https://www.educative.io/explore?search_string=interview&aff=x23W">Educative</a> offers a ton of great courses to improve your interview game 💡</strong>
 </div>
 
 ---
@@ -69,9 +68,13 @@ Also, existing resources focus mainly on algorithm questions and lack coverage f
 
 Front end-related content have been extracted out into a separate repository - [Front End Interview Handbook](https://github.com/yangshun/front-end-interview-handbook).
 
+## Looking for System Design content?
+
+We're still working on System Design content. In the meanwhile, check out [Educative's Grokking the System Design Interview course](https://www.educative.io/courses/grokking-the-system-design-interview?aff=x23W), which in our opinion is one of the most useful resources for getting started on system design interviews preparation.
+
 ## Contents
 
-A [Docusaurus](https://github.com/facebook/docusaurus) website has been created to provide a better reading experience. Check out the website [here](https://techinterviewhandbook.org/)!
+A [Docusaurus](https://github.com/facebook/docusaurus) website has been created to provide a better reading experience. Check out the website [here](https://techinterviewhandbook.org)!
 
 ## Related
 

contents/algorithms/introduction.md

@@ -50,6 +50,7 @@ If you want more structured algorithms practice, I recommend [Educative's Grokki
 
 ## References
 
+- [Educative's Grokking the Coding Interview: Patterns for Coding Questions](https://www.educative.io/courses/grokking-the-coding-interview?aff=x23W)
 - http://blog.triplebyte.com/how-to-pass-a-programming-interview
 - https://quip.com/q41AA3OmoZbC
 - http://www.geeksforgeeks.org/must-do-coding-questions-for-companies-like-amazon-microsoft-adobe/

contents/system-design.md

@@ -22,7 +22,7 @@ System design content is still work-in-progress, but there are some resources to
 
 ## Courses
 
-- [Grokking the System Design Interview](https://www.educative.io/courses/grokking-the-system-design-interview?aff=x23W) - I've personally tried this and have referred many people to use this. Highly recommended!
+- [Grokking the System Design Interview](https://www.educative.io/courses/grokking-the-system-design-interview?aff=x23W) - I've personally taken this course and have referred many people to use this. Highly recommended!
 - [Grokking the Advanced System Design Interview](https://www.educative.io/courses/grokking-adv-system-design-intvw?aff=x23W) - I haven't tried this but it's by the same people who created "Grokking the System Design Interview", so it should be good! In my opinion you probably wouldn't need this unless you're very senior or going for a specialist position.
 
 ## Resources