It is proper Netiquette to blog about your industry. Given, an interest in what we do. Do show your expertise.
Blogging Netiquette Marketing
Blogging about an industry makes you an expert. The keywords of the industry become associated with your content. This increases the rank of all the content that is linked to a blog.
It is necessary to blog in order to maintain a high page rank for your products. Backlinks shall be included. 300 to 600 words is optimal. It creates a niche of viewers that in turn refers customers.
Blog about the industry to show expertise and define a niche because we buy from experts.