Q1: The main challenge is to evaluate the consumer needs for an avant-garde idea and being able to make marketing executive "see" the future need.
Idea Description
Hotel Chain set up an intranet-web a-la Facebook accessible from the hotel wifi and from the bedroom (TV and wifi). The intranet works like facebook with or without annonimity allowing hotel guest and/or hotel chain users to virtualy meet and chat, or play a video game.
What will you do if you win $10,000 for this idea?
Take that idea to a hotel chain and pitch it
Vote for it now.
I know that large chains like Marriott and Hilton are currently looking for ways to use new media and technology to improve the service level for their business clients. This seems like the sort of idea that they are looking for. My advice to you is to build a prototype and write a plan, then pitch it to one of these chains.