Similarly stay away from paid social shares and instead focus your efforts towards building a thriving community of social media followers (based on a give and take relationship) who joyfully share your posts around.
Is This The Death Of Blog Commenting?
No I don't think so. Blog commenting as an SEO tool will still continue to exist, however, its influence on search rankings might be considerably reduced.
As a safeguard never comment on blogs with un-moderated comments. Ideally you should be commenting on quality blogs within your niche. Each comment should go beyond the usual "Great post buddy" claim and add some value to the post. And, please stay away from links within the text.
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