Is really the case that a website is necessary for doing modern multilevel?

What good is having a blog while you are in a MLM company? Do you still watching people posting stuff about the MLM companies all over the internet? Have you ask why? Have you ask why many people have a site like mine arturomontess.com and people like me oftenly talk subjects about duplication and advice [ ]
http://arturomontess.com/blog/is-really-the-case-that-a-website-is-necessary-for-doing-modern-multilevel/