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 Throughout history, people found different ways to talk to each other. People started with speaking to those close by, then figured out how to connect with people far away, even across countries, and even in space. But few people never stopped trying to improve how we communicate. Nowadays, our big goal is to make sure everyone can get online using the Internet, so we can access stuff anytime and anywhere. After many years of working on it by many dedicated enthusiasts, the Internet has become just as important as water and electricity for most people, but not everyone knows how it got so fancy.
 Now, let's quickly look at some important Internet technologies and when they came into the big picture:
-In 1969, we had ARPANET, which was like the Internet's ancestor.
+  - In 1969, we had ARPANET, which was like the Internet's ancestor.
-In 1981, IPv4 was created.
+  - In 1981, IPv4 was created.
-In 1986, the Internet Engineering Task Force (IETF) was formed to make Internet standards.
+  - In 1986, the Internet Engineering Task Force (IETF) was formed to make Internet standards.
-In 1995, IPv6, a newer version of IPv4, became a standard.
+  - In 1995, IPv6, a newer version of IPv4, became a standard.
-In 1996, MPLS came into the picture.
+  - In 1996, MPLS came into the picture.
-In 2007, we got SDN.
+  - In 2007, we got SDN.
-In 2008, the OpenFlow protocol was born.
+  - In 2008, the OpenFlow protocol was born.
-In 2013, we saw SR, including SR-MPLS and SRv6.
+  - In 2013, we saw SR, including SR-MPLS and SRv6.
-In 2014, VXLAN came into use.
+  - In 2014, VXLAN came into use.
 The primary purpose of revisiting the aforementioned points is to get ready to talk about Segment Routing in some future blog posts. Stay tuned.