Learn about how to get these free points here.
You can also get XBOX live for free, just add it in on your request form.
How does this work? www.formspring.me/microsoftpoints will tell you more. Basically you submit a form, and you are then emailed a code. This ensures that you are going to get something unique each time.
Get free microsoft points from the only Official giveaway site, MicrosoftPoints.org «< This is where you submit a request form.