On Facebook, the most shared stories feature sex and smiles

In case you don’t delete your Facebook account, you may want to know what kinds of articles people like to share on the social network. “Articles with positive headlines get a boost in sharing of more than 30 percent compared with the average, while ones with negative headlines fall below the average by about 10 percent,” The Wall Street Journal reported, citing a study by HubSpot ’s Dan Zarrella . “By far the biggest jump in sharing comes from content with sexual overtones,…