The correct answer is (a), that all are correct, because both blog and social media often spread information faster and can be found in search engines.
A blog is normally a portion of your company site; however, in contrast to the remainder of your website, the blog part contains regular updates through the introduction of new content. Furthermore, your blog is indeed an instrument that allows you to communicate with a readership more successfully. You can accomplish this by monitoring the frequency with which readers share your blog pieces on social media or by permitting comments on this article on particular subjects.
In this regard, a blog differentiates from the remainder of your website in that it behaves more like a two-way conversation. However, if somehow the blog is only for private use, such as a travel blog, it could also be an entire platform and usually is.
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