[Magento migration] Magento upgrade 1.6 to 1.9

You want to upgrade magento 1.6 to 1.9. Magento 1.9 is last version of Magento 1.x with a lot of powerful features that makes your online business successfully. Magento 1.9 is friendly with users of Magento 1.6. It is the best time to upgrade.

http://litextension.com/shopping-cart-migration/magento-to-m...