Companies like eBay, etc link personal information and possible asset information through it's network. If anyone looks up the screen name, a person can see what another person has bought or sold recently. It also contains a new anti-feature called trending. This makes a communist marketplace where competitive pricing arrangements are not commonplace. They definitely need some privacy oriented decentralized competition.
Here, an engine for decentralized trade and bartering will be worked upon. Being able to organize online methods of free exchange of goods and services without the need of unstable currencies may be the future during times of economic hardship. Such software for trade can be run over WiFi networks, etc.