Schema.org Microdata for eCommerce sites

A Lot of studies online talk about an increase in 20-30 percent organic traffic using schema.org.
Schema.org provides a collection of shared vocabularies webmasters can use to mark up their pages in ways that can be understood by the major search engines: Google, Microsoft, and Yahoo!

Some Relevant Tags for E commerce tags:
http://schema.org/Product

e.g.:
<div itemscope itemtype="http://schema.org/Product">
  <span itemprop="name">zinog 55 inch TV</span>
  <img src="zinog-tv-55in.jpg" alt="">
  <div itemprop="aggregateRating"
    itemscope itemtype="http://schema.org/AggregateRating">
   Rated <span itemprop="ratingValue">3</span>/5
   based on <span itemprop="reviewCount">11</span> customer reviews
  </div>

http://schema.org/Offer
e.g.
 <div itemprop="offers" itemscope itemtype="http://schema.org/Offer">
    <span itemprop="price">$600.00</span>
    <link itemprop="availability" href=" http://schema.org/OutOfStock ">Out of Stock
 </div>

http://schema.org/Review
e.g.
<div itemprop="reviews" itemscope itemtype="http://schema.org/Review">
    <span itemprop="name">Yo Camera</span> -
    by <span itemprop="author">Yo Boss</span>,
    <time itemprop="publishDate" datetime="2012-01-15">Jan 15, 2012</time>
    <div itemprop="reviewRating" itemscope itemtype="http://schema.org/Rating">
      <meta itemprop="worstRating" content="1">
      <span itemprop="ratingValue">3</span>/
      <span itemprop="bestRating">5</span>stars
    </div>
    <span itemprop="description">The Yo Camera is a revolution.</span>
  </div>


This is interesting for SEO, just thought of adding it here, How Google perceives web pages.
http://www.google.com/webmasters/tools/richsnippets

Ref:
http://schema.org/