Hello. I run a small IT consulting company, and I recently had a client contact me. He wants to start an international dating service, primarily servicing the US and China. He wants my company to handle all of it, from the website design to the infrastructure.

It sounds great, because truth be told it'd be the biggest thing we've ever done. The problem is that when I asked him what sort of site he felt he needed, he said "I want a site like AdultFriendFinder".

Neither I no any of my team even knows where to start with something like that. We've done corporate pages before, and non-profit institutions, but never a site where people have accounts, post data to personal mini-pages, send streaming video, etc.

Can anyone here make any suggestions on where to start, and what might be used to achieve any of that sort of functionality?