How do I remove Amazon app but keep google apps?

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http://askubuntu.com – I'm using Ubuntu 12.10. Whenever I go to an amazon webpage it keeps popping up an 'Amazon app' in my Unity taskbar. I find this relatively useless because I'm already on the Amazon website. I uninstalled it but it ended up uninstalling all my google and other apps as well. When I tried reinstalling the gmail app, it also reinstalled the Amazon app! Is there a way to separate Amazon from the other apps? (HowTos)