I've been an early supporter and have bought many users to Delta, some of which have gone on to a paid subscription, but also others that were unconvinced the price was worth additional features - or indeed, my word.

I wanted to suggest some kind of incentive for referring paid-for subscriptions, whether it's a cash discount for first-time subscriptions, or additional membership time based on the length of first subscription - and maybe even a bonus of some sort, for the referring member who bought in new paying customers?

If you like the concept, please cast your vote :)