Some companies are relying on your social media presence as well of or even instead of a resume. Twitter, sharing products, and blogs express a lot about who you are and how you are in the world. A blog presence is a professional tool. Companies sometimes hire people to prepare their blogs and tweets. Now there's a reason to plan a personal social media presence for job hunting purposes, too.
Don't have time or aptitude to learn new tech?
Create a working support group with others or hire someone to get you started. There are many free resources, and many ways to make the "content" you post readable and "tell YOUR story."
You don't have to do it alone.