It's weird.
The MM comes from the roman numeral M which means thousand, so one thousand - one thousand == MM.
For SEO guys, you'll now understand why it's called CPM vs CPK or similar.
It's weird.
The MM comes from the roman numeral M which means thousand, so one thousand - one thousand == MM.
For SEO guys, you'll now understand why it's called CPM vs CPK or similar.