Advertising is a big deal for Google and so it is in their interest to make sure that the adverts found on the Google search pages and all other pages are suitable. Google have put this interesting video together to show just how they about making sure that the adverts that are seen are right for the Google user. This is good to know for parents who are worried that their kids are going to come up against something inappropriate.
According to the video by David Baker, Engineering Director at Google, this is how bad adverts are sorted out;
Did you know that hundreds of Googlers work around the clock to make sure the ads you see on Google are safe? David Baker, Engineering Director at Google, explains more about our fight against scam ads and our process for keeping you safe.
Source [Google Blog]