Useful: limitless repeat business
opportunities
Valuable: a powerful revenue
generating tool
Relevant: satisfies current climate of
"political correctness" thus easy to sell.

Useful: saves lives, helps prevent
climate change.
Valuable: effective tool to generate good publicity, builds goodwill, saves end use
money (ie lightbulb), highly visible branding.
Relevant: Satisfies current political
sensitivities, promotes growth of caring
corporate culture.