Geo-Location Social Network Website Based Around Niche Target Market

We essentially want to create a website that will be integrated with mobile platforms such as the iPhone, Android, Blackberry to allow the public to "follow and track" a specific group of individuals. Through? [geographic][1]? services and capabilities such as? [geocoding][2]? and? [geotagging][3]? we can enable social dynamics. User-submitted location data or? [geolocation][4]? techniques can allow this social network to connect and coordinate around this specific target group with fellow users. We want updates to come in real-time by every registered user so that it can be available to the rest of the viewers to see where this person is. Registered users can upload pictures, make posts all based off the on-board GPS technology on their devices or through their computers. Compiled GPS coordinates of a specific individual will be broadcasted and pinpointed on Google maps or some other platform to show pinpoints of tagged locations of specific individuals.? Main picture here is collaborative mapping around a target [login to view URL] can use the help of API's of such sites as Hotlist, Brightkite, Twitter and Foursquare to build our own direction.? ## Deliverables The website will be complicated, and I am very picky and detail-oriented. I would like to see quality work, please contact me if you have extensive experience in this type of programming and website development. The website will have to collaborate with the mobile smartphone platforms, such as Android, iOS4, and Blackberry. Seamless integration between all platforms for unified accounts is a must.? I value input and I open to advice. Please contact me about any questions you might have.