The iPhone was auctioned off for over 100 times more than its original cost — the latest record-breaking sum for such a sale. An expert explains how old gadgets became "similar to precious metals."

Wired headphones are among the artifacts from the past decade making recent "nostalgic" comebacks. Fashion once moved in 20 year cycles but the nostalgia loop is getting smaller and faster,

Some people spend years or longer trying to track down favorite books from childhood. An Instagram account called My Old Books uses crowdsourcing to make the connection.