The document describes several methods to identify unmet needs in eHealth:
1. In-depth interviews with stakeholders such as CIOs, medical directors, and patient groups to obtain deep insights but require validation.
2. Focus groups with patients and stakeholders to identify and prioritize common unmet needs through moderated discussion but require logistical effort.
3. An "unmet needs corner" at eHealth events to efficiently capture needs from attendees through an engaging visual display.
4. Online surveys to collect feedback from a large audience but may not be representative and require trust and motivation to respond.
5. Third-party challenges where organizations identify needs and solicit solutions, awarding winners visibility, recognition