Peer review is an integral part of scientific publishing that confirms the validity of the manuscript. Peer reviewers are experts who volunteer their time to help improve the manuscripts they review. By undergoing peer review, manuscripts should become:

More robust peer reviewers may point out gaps in a paper that require more explanation or additional experiments.

Easier to read if parts of your paper are difficult to understand, reviewers can suggest changes.

More useful peer reviewers also consider the importance of your paper to others in your field.

Publishers : Transparent business model, ultimate online article distribution, ultimate visibility for articles.