Online sexual roleplaying books
On the one hand, text-based games allows players to exercise their writing skills, while using writing as a medium.
The internet also makes it relatively easier for individuals to meet and play together.
While some sites usually have some sort of application process to judge a new member's ability to role-play, others allow users to choose their level as they create their character.
Certain MUDs that are "Newbie-friendly" also maintain "Newbie" channels that are run by more experienced users for the sole purpose of teaching new users.
This freedom, though it is a great strength to the system, also has the potential to be a great weakness.