Three New Tags

<s> Strike Through </s>

This tag strikes a line through text.
This tag gets paid a lot of money to throw a ball very fast hopefully for strikes.

The code that produced the output above looks like this:

<p> This tag strikes a line through text. <br>
<s> This tag gets paid a lot of money to throw a ball very fast hopefully for strikes.</s>
</p>

I found this tag at w3schools.com

<big>BIG</big>

The bigger tag makes text appear bigger than the text around it.

The code that produced the output above looks like this:

<p>The bigger tag makes text appear <big>bigger</big> than the text around it</p>

I found this tag at geeksforgeeks.org

<marquee>MARQUEE</marquee>

This is a marquee tag! Look at it go across your screen! Magic!

The code that produced the output above looks like this:

<p><marquee> This is a marquee tag! Look at it go across your screen! Magic! </marque></p>

I found this tag at tutorialspoint.com