One Answer To Spam: Sell Your Interruption Time

An anonymous reader writes "A recent article in the IBM Systems Journal describes an innovative solution to curb both spam email and telemarketing. In short, the potential recipient of a message/call advertises the potential cost of contacting him uninvited. If the sender agrees to pay that cost, it acquires a token that it includes in the message/call and the message/call is accepted. The recipient decides to collect the fee or not, while recipients in a white list are not required to carry a token. The author also provides for a more detailed description."