First of all let me say what is acceptable practice: – Constructive comments that add to the conversation and value are the ones that will earn you credibility. If all you have to say is  “Nice post”, “Very Nice”, “Thanks for sharing” then you might as well not comment at all – for many bloggers will attribute your comments (if approved) with a no-follow and its of no benefit to you.  Read more... (471 words, estimated 1:53 mins reading time)