In a nutshell
You subscribe to a part of the land (i.e. agriculture parcel) and get, for a period of one year, access to all available PlanetScope data in that area - both archive and fresh data. This subscription model is perfect for agriculture and other continuous monitoring use-cases.
More details
Follow up questions
Q: If I order the data for a polygon A today and then once again for the same polygon a week from now. Do I consume quota twice? A: No. As long as you are fetching the data from the same polygon, you will only consume once the area of the polygon.
Q: If I order the data for polygon A today, then increase the polygon a bit (polygon A’). How much quota will I consume? A: As long as the polygon A is fully within polygon A’, you will consume the total area of polygon A’ (“union of polygons” rule)
Q: If I purchase 100 hectares today and another 100 hectares in 6 months, how much will I pay? A: Your first purchase will be for the full price, second one with 50% discount (as it will only cover the period of 6 months).