Where it comes from
The line in the source
I like items you can trade with your friends, where both parties benefit from that exchange.
Explore / Figure
Record
Design intent: trade items where both parties benefit; trade as communication (fan transcription of Iwata Asks HGSS), 2009
2009
EstimateOur model or estimate. Treat it as an order of magnitude.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.