The Nook Effect

When you buy the latest piece of technology right before the next model comes out. Thus stuck with a piece of shit compared to the new model.

Sally: "John look I just bought this cool Nook e-reader!"
John: "Nice"
(2 days later)
John:"Hey Sally the new Nook just came out, didn't you just buy..."
Sally: "Fuuuuuuuuuuuuuuucccccckkkkk"
John: "The Nook effect"