Some of he most popular hashtags has been used over 1.2 billion times, which equals to around 1000 posts per minute. A good way to add some more exposure to your posts, is to include some of these popular tags.
What are like Hashtags? With Hashtags for likes you get more likes for your posts. These hashtags indicate that you would like to have more like for your posts. Also that in return you like another picture back. Likes increase the popularity and seriousness of your posts.
What are Follow Hashtags? Follow Hashtags are certain keys or Hashtags to win potential new users (followers). These hashtags are especially for those who want to quickly build up more followers.