Reciprocal linking has been a widely used strategy for web promotion, in spite of requiring significant effort from us webmasters. First you need to evaluate the convenience of every exchange, then do the actual link publishing and finally, it is necessary a periodical check-up of the corresponding link prevalence. Trying to make things easier for busy webmasters, a wide number of Link Exchange Managers have appeared. These tools are now a very competitive field in the e-Marketing arena. As a result, links in the web have grown much faster than quality contents.

This facts confirm our perception that more and more sites are now focusing on non-reciprocal inbound links. However, those must be earned with quality content or plainly purchased. Much easier is a new mode of link exchange, involving triangulation or better yet, quadrangulation. Triangulation is more difficult to detect than 2-way linking, and quadrangulation even harder. Both techniques are useful for webmasters who manage several websites, since they can use some domains for outgoing links and some for incoming links. Quadrangulation makes easier to compensate the value of incoming vs. outcoming links. A new generation of Link Exchange Managers with Triangulation and Quadrangulation ability is appearing. Whether Google and Yahoo will start detecting and battling the new schemes is yet too soon to speculate.