.....or 'win' it in a 'contest'
If you hover over it with your cursor, it should tell you what it is. Clicking on it will take you to the full explanation.
Oh, I know..I could rant all day about marketing machinations

...in regards to chickens
and everything else.
I use a 12x24 heating pad setup, '
pseudo heat plate', 16 was almost too many.
Worked OK for 26, but only for a few days.
But can depend on ambient temps too.
I love the pads/plates, but they
can be a pretty big learning curve even for folks with chicks raising experience