Up to four characters can play at the same time, both helping one another out and (more often than some would prefer) getting in eachother's way.
The only question is how new technologies will allow people to more easily communicate and network with eachother on a global scale.
These features will allow your Internet visitors to contact you via email, provide you with information via forms, or communicate with eachother using social networking tools.
Luckily, there is a very active user base which holds discussions in forums and offers help to eachother and to newcomers.
