sina微博：
< iframe frameborder="0" allowtransparency="true" marginwidth="0" marginheight="0" scrolling="no" src="http://widget.*w*e*ibo.com/relationship/followbutton.php?language=zh_cn&width=120&height=24&uid=1756720421&style=2&btn=red&dpc=1" >< /iframe
QQ空间：
< iframe src="http://open.qzo*ne*.*qq.com/like?url=http://user.qzone.qq.com/1839458293&type=button_num&width=120&height=24&style=3" allowtransparency="true" scrolling="no" frameborder="0" >< /iframe >
人人网：
< iframe src="http://www.conn*e*ct.re*nren.com/like?url=http://page.renren.com/699049347" scrolling="no" frameborder="0" allowTransparency="true" >< /iframe >
腾讯微博：
< iframe id="previewmc" src="http://follow.v.**t*.qq.com/index.php?c=follow&a=quick&name=yanghaonan7758&style=5&t=1336022961842&f=0" frameborder="0" allowtransparency="true" scrolling="no" >< /iframe >