My Progress in HTML

So I just discovered the <progress> element in HTML5
#thankssololearn

The code looks like this:
<progress min="0" max="100" value="50"> </progress>

And the output looks like this:

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### And I *just* found out that Steemit does this too?! How much I thought I knew about HTML & Steemit: How much I actually knew: (Yeah I feel a bit like an idiot. Please help me learn more)