Share-A-Call Dual Handset Phone is kind of pointless

Share-A-Call Dual Handset Phone seems like a pretty useless device to me, although it will be greatly appreciated by couples that are so attached to each other that they need to listen in on each other's conversations. I mean, sure you can take the phone calls together and talk to whoever it is on the other end together, but why not just buy a speakerphone? It's cheaper and makes more sense. This invention costing almost $100 seems a little outdated, as the phone isn't even cordless! I think I'll pass up this Share-A-Call Dual Handset Phone.