update latest learning points

Author: codeplea

README.md

@@ -10,11 +10,15 @@ This is the code repository for [Hands-On Network Programming with C](https://ww
 Network programming, a challenging topic in C, is made easy to understand with a careful exposition of socket programming APIs. This book gets you started with modern network programming in C and proper usage of the relevant operating system APIs.
 
 This book covers the following exciting features:
-- Creating TCP and UDP connections over IP 
-- Resolve hostnames with DNS 
-- Interface with online APIs over HTTP or HTTPS 
-- Write safe and secure network code 
-- Write high-performance server code 
+-	Uncover cross-platform socket programming APIs
+-	Implement techniques   for supporting IPv4 and IPv6
+-	Understand how TCP and UDP connections work over IP
+-	Discover how hostname resolution and   DNS work
+-	Interface with web APIs using HTTP and HTTPS
+-	Acquire hands-on experience with the email protocol (SMTP)
+-	Gain real-world expertise with practical network applications  
+-	Explore new approaches for   the Internet of Things (IoT)
+
 
 If you feel this book is for you, get your [copy](https://www.amazon.com/dp/1789349869) today!
 
@@ -135,12 +139,6 @@ This chapter doesn't include any example programs.
 
 
 
-
-**Following is what you need for this book:**
-If you're a developer or a system administrator who wants to enter the world of network programming, this book is for you. Basic knowledge of C programming is assumed.
-
-With the following softwares you can run all code files present in the book (Chapter 1-14).
-
 ### Required Software
 
 Following along with the code in this book requires that you to have access to a C compiler on a standard operating system. The example programs in this book were carefully tested on Windows, Linux, and macOS. They were tested using the gcc, clang, and Microsoft Visual Studio compilers. All of the code in this book will compile as either C or C++.