Social media sharing and subscribing buttons are often done badly and it leads to little or no sharing. On a social web that is a traffic disaster waiting to happen.
Why does this happen?
The designer wants it to look good. So they will place the social buttons in strange places with often obscure designs. It looks good but it doesn’t work.
Julia Blake the article covers pros and cons using Social Media media buttons with #Mobile design. Consumers also look for ease of use.