Computers nowadays are starting to be everyone. From baby sitting to pizza ordering, from education to legal works. Everywhere you go, there will always be a computer around you. Speaking about computer, there is the internet. With the help of the internet, millions of people are now getting information that would be impossible for them to get.
Business are now able to sell or promote their products to other countries.
Saying all of this, I would recommended that you learn HTML, who knows - some day your boss might ask you to create a web page for the company that you are working for.