The Wild West had its snake oil salesmen and the Internet has bogus and misleading ads and fake news. Look at what Google and other companies are doing to combat bad players in cyberspace, going so far as to remove spammy ads, counterfeiter ads and fake news items by the millions.
Read more here: Google Tackles Bad Ads and—Surprise!—There Are a Lot of Them; Battling counterfeiters, scammers and tabloid cloakers