Online marketing is now so mainstream and so prevalent that the UK's Advertising Standards Authority (ASA) has finally - after about 15 years - decided to step in and start subjecting online advertising to the same regulations as ads that appear on TV, in newspapers or other media. The new rules will target ads that sell products. But the big news is they will also regulate ads on social media services. This will of course also mean advertisers may have to police what customers are writing on their Facebook