ISBA calls for Google to cease selling inventory on YouTube where it cannot guarantee advertisers' safety

On a day which Google's European chief Matt Brittin issued an apology to advertisers following the controversy over brand ads running alongside inappropriate content on YouTube, the Incorporated Society of British Advertisers (ISBA) has called for the company to take further measures to improve its ad placement. 
On the same day that Marks & Spencer announced that it was to pause it advertising on YouTube, and following a session in which Brittin spoke to U