1. The document discusses three potential business ideas that were brainstormed: an app called iTree to track people's movements, an RFID game to motivate people, and a business service using RFID cards.
2. The business service idea was to provide an RFID card for business travelers that would give them privileges like private clean toilets, access to lounges, and a private train car compartment in exchange for paying more.
3. The card would also allow access to services connected to the train station like underground parking and buses.
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