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Once you setup and create your Google+ page you will then need to edit it and start adding stuff. Works like any other business page and you can start reposting stuff from your Website and blog.
how to edit your Google+ page
1. Login to Google+
2. Beside your photo and name you will find a drop-down menu with the number of pages you have created.
3. Use the drop-down to select the page you would like to update
Note: When in page editing mode you are now not your profile but using Google+ as a page. So once you finish editing and updating your page. You will need to follow the above mentioned process and choose your Google+ profile to exist page mode.