Type the letters, one after another. Be sure to include Who, What, Where, When, and How. It's fine to be all emo but at least get the facts in there before you start slicing your wrists all over the screen.
A valid email address should do. If you don't feel like dealing with this blog for the rest of your life, set up a new email address like verizoniseatingmyface@gmail.com.
People will need to offer you advice and solace, as well as throw text-based poop in your direction. Leave these playground gates open. Respond to questions when appropriate.
Include pictures, audio, video, phone call recordings, scanned copies of letters, and conversation transcripts. YouTube is good for uploading video. You can even get away with uploading pure audio there too. The key idea here is to publicly publish evidence to bolster your case. The more and the more irrefutable it is, the better your chances are of getting that money or hug you want.
If people hear your cry and are sympathetic, they may take it upon themselves to call or write the company on your behalf. Boom! Instant protest campaign.
Set up some google alerts for your name, blog URL and blog name. This will help notify you if your story starts breaking bigger and will make you feel good.
Digg (requires registration)
BoingBoing (submit via form)
The Consumerist (send email)
Fark (requires registration)
Metafilter (requires registration, donation and other hoops. Basically need to be an active member already).