as a web developer, I want to markup advertisements so they can automatically be blocked
"make ads blockable"
https://stackoverflow.com/questions/27478020/make-visitors-adblock-filter-block-non-ad-elements
class="advertiser"
1 2 3 4 5 6 7 8 9 10 | <html> <head> <title>Adblocktest</title> </head> <body> <p>normal paragraph 1</p> <p class="advertiser">ad paragraph</p> <p>normal paragraph 2</p> </body> </html> |