Nowadays most of them using mobiles but still these days Landline phones has much importance same as the mobile phones. You can list the incoming call with the Caller Id but for searching that you have to look the caller Id. For this a special projection phone has been introduced in which you can see all your incomings on the ceiling of wall.

If you left the house for hours the Caller Id will saves the number and the projector will shows the results thereon. An extraordinary function in this phone is the LED light allows the phone to project the incoming calls for 100000 hours. The price of this Projection Phone is $29.
Via: Ubergizmo