Check out this cool jewellery for techie people out there. This includes Pi Earrings, Math Cuff links and HTML head Sterling Silver Earrings I am sure you will like these. You can even buy them at Etsy.com

Here is a very basic solution to write HTML code inside your blog posts like <span>Infotix</span>.
Just replace < with and > with with in all HTML code.Alternatively you can copy your HTML code and paste at Encode/Decode HTML converter at Centricle and click on Encode to get the code.