Give popular science a big miss, they are weird ass copyright freaks, articles not available in other countries, articles deleted at random intervals etc. Just give them a big miss and go somewhere else and never ever link to them, really rather pointless to attempt to do so.
The link was pop-sci Australia. I'm in Australia, can read all the other articles, but it says that one isn't there. Strange. It was however while reading my first article on the main page that I realised that I didn't want to bother with any more...
Advertising may be described as the science of arresting the human intelligence long enough to get money from it.