Well unfortunately reciprocal links adversely do affect SEO. Earlier this form of shared linking was predominant in all SEO functions but then Google smelled a rat and treated reciprocal linking as unethical and unnatural. In case you are a reciprocal linker then don't fret, its never too late. Start by making small changes to your linking habits and monitor the changes closely. An SEO spe******t can help you design a proper 'project rectify' strategy to over come this.

Its a great information i must say..Thanks a lot for sharing it.

excellent post, this really improves my knowledge.

Great tips.
thanks...

Your view point is special,I appreciate it.

Yes these 5 tips are really good and I agree with your point of view that mostly web-masters do these tool but they don't know that what will impact on his site........

Thanks dude...I learned something new with that write up

It really nice and effective information.

5 SEO practices you will want to avoid!
 

1. Putting Links In Social Comments.
2. Using Too Many Keywords.
3. Creating Private Blog Networks.
4. Over-Optimizing Your Anchor Text.
5. Writing For Robots (And Not Humans)
6. Building A Modern SEO Strategy.