New Email Gadget - Help me test it?

As I continue my slow crawl from the primordial ooze of complete internet ignorance...I've responded to some advice that suggested I put a gadget on my blog that would allow people to receive emails notifying them of any new posts I write.

Did that even make sense?

I went to a site called Feedblitz, the one recommended as "super-easy". Apparently, I should have been directed to the one that is "ridiculously-super-easy," because I hardly understood a word of the super-easy instructions. But in t...