Answer: All the options given are correct. The answer is further explained below.
Explanation:
A blog is an online website that gives information about a particular product it activity. Blogging is vital for organizational growth and development as organizations can build their brands through blogs. Viral marketing is when consumers give information about products online. This is useful as organizations can use the information given to assess the product and seek improvement.
Blogging also allow companies reach a large number of people, can be used to assess performance and also relate with customers when there are certain issues.
Therefore, all the options given are right.