Ads are fine. But Ads that consume vast amount of CPU/memory/mobile-data/battery resources or crash the browser are unacceptable. Also many people dislike ads t

Ads are fine. But Ads that consume vast amount of CPU/memory/mobile-data/battery resources or crash the browser are unacceptable. Also many people dislike ads that follow them around. So only certain bad ads are bad citizens. Show us traditional ads that worked fine for years - and still do.