This is exclusive C21 subscriber content
To view you need a Basic Site, C21Pro or Access All Areas subscription:
Registered users and subscribers sign in here:
For phone support please call C21 on +44 (0) 20 7729 7460
The former Cartoon Network exec, who launched Frederator Network in late 2012, also reflects on YouTube's recent move to introduce a child-friendly version of its service.
