Similarly, the only game I play on my phone is a card game, and ever since I visited my company's website to check on something, our Google ad is shown between

Similarly, the only game I play on my phone is a card game, and ever since I visited my company's website to check on something, our Google ad is shown between hands almost 90% of the time. I never click on it, so you'd think they'd stop showing it after the 500th time (it's been weeks since I visited the website). Is that just a ploy by Google to overcharge us for advertising?