Fires and celebrity faultlines
The connection of the bushfire disaster with climate change is increasing scrutiny of celebrities and their endorsements, just ask Roger Federer.
The ugly side of YouTube
Followers abandoned vlogger James Charles in their millions after a public spat, but it's not necessarily all bad for business.
The look that can sell – and save – a brand
Celebrity endorsements can be a powerful marketing tool, but can also spectacularly backfire. The damage can, however, be limited through the right kind of facial expression.