Hi Callum,  Thanks for the reply. Apologies for the confusion - the ad would pop back up again 10 seconds after I closed the *ad*, every time. (I.e. I open TradeMe, scroll a bit, this ad pops up, I hit "x", it goes away, then no matter what I do it pops up again 10 seconds later if I still have the app open.) No impact on the phone when the TradeMe app wasn't open. It was an add for a travel agency or something, advertising Vanuatu. I haven't seen the ad reappear, so I've been unable to replicate the issue. I got the impression that TradeMe was trying out a new feature where some ads became...