Go to your settings page, and in the box with the Email label, type in your new email address and click the Save Profile button at the bottom of the form. Once you have changed your email address, a verification email will be sent to your new email address.
If your email address isn't verified, go to your settings page, and next to your email address will be a link that says resend verification email. Click that link, and an email address with an activation link will be sent to the saved email address you have on file. Click the link in your email, and you'll be verified.
A couple of things need to happen to do this:
Once every day.
You can go to your settings page, and at the bottom of the page is a link titled "Export your collection to a CSV file." Click that, and it will spit out a CSV file of all your data. It does take a minute or two, so be patient after you click the link.
This site is built by just one guy, me. You can email me at peter at grouvee dot com or you can get me on Twitter here: @grouvee for video game stuff or here: @petercorsaro for my thrilling garden updates.
Yes! Go to the page for the shelf you want to feature on your website (You can get to the shelf pages by clicking the My Games link in the navigation bar at the top of any page).
On the right side of the page is a link that says "Widget for this shelf." Click that link, and a box with the HTML and javascript you need to place on your web page will be displayed. Copy and paste that code into your website where you want to display your shelf, and you're all done!
It should look a little something like this: