Subject site promotion and earnings on the stock exchange purchase and sale of options was discussed many times on different resources, so that either a new one can hardly add to this. The publication is designed for beginners rather than experienced on Webmasters. Speaking of the stock exchanges should be noted that clearly there are two medals The sides, or the pros and cons when working with the exchanges of links. If we talk about the pros, it should of course first of all to dwell on the fact that Exchanges can earn the site of any subject, with any audience of users, except those expressly violate any applicable law. In this case, unlike Clicks advertising, paid placement options and do not require additional actions from users. That is, you can talk about passive income, if we use the terminology of MLM. Beyond doubt that the link does not occupy much space and do not distract attention from the main target audience Site content, unlike banner ads.
The downside is the installation code exchange, making it difficult for beginners to use the systems. The second disadvantage is a huge negative attitude of a search engine to corrupt links, apparently believing that the resources thus created exclusively for salaries. Difficult to agree with the arguments of the search engines as creating a resource for paid hosting webmaster has already invested money into the project and not be mistaken if I say that enthusiasm was naked except in times of Pavka Korchagin resource must be repaid, no matter what opponent spoke.