Complex sentence: For example they may limit their own reviewers to those to whom they supply an orderID and they can use widgets to show reviews on their website or on their Facebook page they can also solicit reviews by email without the reviewer requiring a facebook profile.
Split into simpler sentences: For example they may limit their own reviewers to those to whom they supply an orderID and they can use widgets to show reviews on their website or on their Facebook page. They can also solicit reviews by email without the reviewer requiring a facebook profile.