Meet and Greet rides are free rides that let you get a feel for the club before deciding if you want to continue on as a Standard member, or upgrade to NITRO. They are a specific ride format that lets you meet other club members and get a sense of the atmosphere and club dynamic. In contrast, Drop In rides are paid rides that let you experience the premium NITRO rides. This lets you get a taste for out premium tier before upgrading to a full NITRO membership. If and when you upgrade to NITRO, the cost of any Drop In rides will be discounted from your full Nitro membership cost.