Site: The Lit Pub

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1. Core Purpose of the site is a hub for book lovers to come and post reviews on books they have read, it's also a site that publishes and promotes new material and 'find's good homes for books'.

2. The site accomplishes this task by clearly stating in their motto I guess you could call it, that they recommend, publish, and promote, on the left side bar of the page, under the header, and a brief notice. All the information is in the middle, with the sub headings:

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 So the audience clearly knows the site is for them to use and express their opinions in a relatively free way, but sharing knowldge and benefitting others. The site has clearly set out their grid making it easy to view and easy to navigate. 

3. Unique features are the sections. 'For Book Lovers, Authors or VIP's' Inviting users to have a look and maybe post something up for others to read, or just to look to get the latest on a book you might want to  read, and want an honest review.

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Is another smart area and just reinforces the community and the experience the audience will gain from visiting the site.