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Has anyone tested social media buttons, to see which types, styles, and placements get the most clicks?  Should they go at the top of an article, or are they OK at the bottom?  Should the icons definitely have labels?  Display # of tweets and Likes?  How big should they be? My preference is for discrete buttons with a smallish, plain icon and a label.  I don't display tweets or Likes, unless it's a healthy number.  And I still think a "share by email" icon is important.  I put them at the bottom of the article, to keep the home page uncluttered and lead the eye into reading the article.  I'm also concerned about leaking rank from the homepage, especially for a site that's still establishing itself.  But if moving buttons to the top gets more shares, that's probably better. Is there a Wordpress plugin that you really like?  (I haven't found one yet - I'm still hardcoding my social media buttons.) Opinions are great, but test results are better!  Can anyone share?