The HeyStaks platform helps digital service and solution providers to unlock the wealth of preference data contained within their users' search activity. This creates the potential to build value through enhanced recommendation of advertisements, offers and content, and also helps the provider to better understand their customers. Collaborative search analytics generates interest profiles for communities of users using both context and intent signals and validating these using patented models of trust and reputation. Our flexible architecture means a variety of different applications can be built to identify new revenue streams and increase existing revenues.