1. Click on the "My account" link on the left side under your username.
2. Click the "Edit" link at the top of the screen.
3. Click on the "Twitter accounts" link on the line below the "Edit" link.
4. Enter your Twitter account information in the appropriate fields, then click "Add account".

Please note that you must have a public timeline enabled on your Twitter account in order for your QRPedia content to be Tweeted. All posts will be tagged with the #hamr and #qrp tags by default, although you have the option of changing these at the time that you post your content.