A little bit of viral marketing will not hurt anybody.
We have added an emailing tool to every RealBird maps. Your visitors can now forward the current map view to friends and family with a permanent link bringing them back to the exact map with all settings (map type, search criteria, location) preconfigured for them.
All RealBird sites has been updated with this feature automatically.
Immedietly after release, consumers started to forward maps to each other, so it’s seems that the value proposition is very much real.