1. A site about prominent people who have made major contributions to British history through their individual labours rather than as team members (eg Churchill), with links to Amazon biographies and DVDs about their work and links to museums and tourism sites.
2. A site aimed at corporate HR departments and their staff encouraging diversity and linking to useful resources for staff suffering various forms of discrimination.
3. A site about people with unusual sensory or mental abilities, such as autistic artists or people with synaesthesia.
4. A site for people to swap collectables (such as stickers, cigarette cards or petrol company World Cup 'coins') where they have lots of duplicates but are missing rare individual members of the set.
5. A dating site for people who (perhaps optimistically) think their individuality (ie uniqueness or weirdness) will (somehow) make them attractive to others.