Impact factor for posts is a measurement of importance.
Impact factor for users reflect their authority, reputation and contribution on a particular topic.
Rating reflects the quality of posts.
Rating on Voofie is not a simple average of all ratings, but a weighted average of rating, weighted by the impact factor of users who rated.
Search function in Voofie is base on Semantic tags and keywords.
Tags are Semantic as each tag has a predefined, accurate meaning behind.
To add a keyword, select the "Keyword:" option. Select other items for adding a tag.
Just click "Search" after you have define your search query.
A great presentation on how to build web applications that attract users and make them feel good.
