Google SERP changes backlinks to carry less weight?

Recent posts on some of the big forums speculated that big G's latest SERP changes will cause a big upset in peoples linking strategies. Its stated that less weight will be given to incoming links of no relevance, we all know that anchor text is not the be all and end all but certainly worth doing and keeps the semantics on target.

On another note this would possibly put alot of software producers out of business if it becomes the way to go, the likes of submiteaze, submit helper and fast directory submitter are used quite alot in SEO campaigns everywhere to gain incoming links, alot of these have no relevance due to poor category selection and directory choice (alot through user error).

In conclusion I think it would be great if google managed to drop out useless links and links with little weight, stop people submitting 1000s of links to useless directories and give the people who work harder for 1 way links from articles, social bookmarking and social media better results in the serps.

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