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limited personal information will be used in a smart way according to the minimum demand, so that we can avoid the tragedy in the Black Mirror. Eg. Reputation and social network will influence how easy their ads be noticed, but no one can get the exact values.(3) #iweb3

We can imagine there are several vertial markets, people share the same information platform. But in each vertical market, dozens of algorithms are competing by their efficiency and privacy protection, dozens of interfaces are competing by their UI design. (4)#iweb3

People are paid through some programmable cash flow in crypto currency in a fair way. The product and service will be paid in the minute the it be delivered, money may be locked in the seller’s account if needed. Financial market will run in a more efficient way.(5)#iweb3