Merge pull request #1 from donnemartin/master

merge with master

README.md

@@ -7,11 +7,11 @@
 
 ## Motivation
 
-> Learn how to design large scale systems.
+> Learn how to design large-scale systems.
 >
 > Prep for the system design interview.
 
-### Learn how to design large scale systems
+### Learn how to design large-scale systems
 
 Learning how to design scalable systems will help you become a better engineer.
 
@@ -54,6 +54,19 @@ The provided [Anki flashcard decks](https://apps.ankiweb.net/) use spaced repeti
 
 Great for use while on-the-go.
 
+### Coding Resource: Interactive Coding Challenges
+
+Looking for resources to help you prep for the [**Coding Interview**](https://github.com/donnemartin/interactive-coding-challenges)?
+
+<p align="center">
+  <img src="http://i.imgur.com/b4YtAEN.png">
+  <br/>
+</p>
+
+Check out the sister repo [**Interactive Coding Challenges**](https://github.com/donnemartin/interactive-coding-challenges), which contains an additional Anki deck:
+
+* [Coding deck](anki_cards/https://github.com/donnemartin/interactive-coding-challenges/tree/master/anki_cards/Coding.apkg)
+
 ## Contributing
 
 > Learn from the community.
@@ -1330,12 +1343,13 @@ A basic HTTP request consists of a verb (method) and a resource (endpoint).  Bel
 
 *Can be called many times without different outcomes.
 
-The difference between `PUT` and `PATCH` is explained by example [here](https://laracasts.com/discuss/channels/general-discussion/whats-the-differences-between-put-and-patch?page=1).
-
 HTTP is an application layer protocol relying on lower-level protocols such as **TCP** and **UDP**.
 
-* [HTTP](https://www.nginx.com/resources/glossary/http/)
-* [README](https://www.quora.com/What-is-the-difference-between-HTTP-protocol-and-TCP-protocol)
+#### Source(s) and further reading: HTTP
+
+* [What is HTTP?](https://www.nginx.com/resources/glossary/http/)
+* [Difference between HTTP and TCP](https://www.quora.com/What-is-the-difference-between-HTTP-protocol-and-TCP-protocol)
+* [Difference between PUT and PATCH](https://laracasts.com/discuss/channels/general-discussion/whats-the-differences-between-put-and-patch?page=1)
 
 ### Transmission control protocol (TCP)
 
@@ -1423,12 +1437,12 @@ POST /anotheroperation
 
 RPC is focused on exposing behaviors.  RPCs are often used for performance reasons with internal communications, as you can hand-craft native calls to better fit your use cases.
 
-Choose a Native Library aka SDK when:
+Choose a native library (aka SDK) when:
 
 * You know your target platform.
-* You want to control how your "logic" is accessed
-* You want to control how error control happens off your library
-* Performance and end user experience is your primary concern
+* You want to control how your "logic" is accessed.
+* You want to control how error control happens off your library.
+* Performance and end user experience is your primary concern.
 
 HTTP APIs following **REST** tend to be used more often for public APIs.