The simplest way to repost a tweet is to click "retweet" and Twitter will automatically retweet the unadulterated post to the retweeter's followers while still giving credit to the original poster.
Behavioral retargeting is a form of online targeted advertising targeted to consumers based on their previous online behavior where actions did not convert.
Social bookmarking digitally catalogs the blog post content, thus optimizes the chances of appearing in searches which drives more traffic to the website.