Do you work with celebrity brand ambassadors? After some notable bans this year, we explore best practice for involving high-profile people in social media campaigns

This year, the ASA has both banned and scrutinised a number of UK Twitter campaigns. But what did they do wrong, and how can you make sure your campaign lives on?

Transparency is key – best practice says that you should always include #ad or #spon in each tweet that’s sent as part of a campaign.

And if you’re the agency ...