Popular Topics: Stay updated with new topics or popular topics on other blogs you follow.
Don't just type, talk to your audience. Blogging is way big a market on internet and people will like you if you do more than just providing information. Suggest, express, appreciate, criticize and have an opinion to build a relativity to a like minded audience. Make them feel that their visit to your blog matters to you.
For Business Blogs, include product messages in your blog posts clubbed with engaging content .This increases your social shares.