Share several times a day, but space out your posts every few hours.
Know the art of the hashtag. 1 hashtag is fine. 10 hashtags are not.
Allways keep the 80/20 rule! Entertain and info em your audience first, sell to them second.
On Twiiter, don’t automatically direct message people that follow you.
Don’t use all 140 characters. Give people room to retweet with a reply.
Don’t hijack another company’s hashtag.
Don’t buy followers.
Don’t stuff your tweets with keywords.
On Facebook, don’t Like your own post.
Don’t post or tag photos of fans, customers, or employees without permission.
Don’t tag people or pages that aren’t relevant to your post.
Don’t ask for Likes, Comments, or Shares.
Instagram: don’t ask people to follow you or use hashtags like #tagsforlikes – it’s unprofessional.
Don’t overgram. No one likes their feed filled up with one user.
Use hashtags for your brand appropriately. The golden number of hashtags is 11.
Read more on The Next Web.