Principle of Word of mouth on Shopping2.ru

This week, Shopping2.ru launched an ad system that works like a word of mouth.

Advertising scheme

1. The user publishes in his profile a list of items and services that he uses
2. Each element of the list is automatically converted into a link to the "personal page" of the subject.
3. Shopping2.ru sells space on the pages of items and services: links “where to buy”, “similar products”, “search on Yandex.Market”

In fact, we model the distribution of free T-shirts: putting the item in your profile, the user becomes an “advertising medium”. Let's say I would love to advertise the Django framework in this way.

The first step is implemented a lot where: “Places” on VKontakte, Vladelia, Yelp, Wakoopa ... A new idea in paragraphs 2-3.
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Who wants to see how everything works from the inside, register and write to yury@caltech.edu - I will give you full rights.