The document discusses several marketing campaigns run by GSK to promote their Voltarol pain relief product. It analyzes the results of different ad variations tested using A/B testing across websites and articles about pain treatments. Key findings include that a vertical slider performed better than other slider variations. Exit pop-ups discussing specific article content saw click-through rates from 2.5-15%. Home exercise pop-ups had over 10% click rates when suggesting exercises related to the user's pain area. A user survey pop-up received a 14.48% response rate from returning visitors. The document analyzes different digital marketing tactics for engagement and driving users to product pages or content.