Chrome Extension Like Button

Similar to the numerous Facebook Like Button Chrome Extensions, this like button will allow people to press the "like button" on any web content. On pressing the like button, it will populate a Google Docs spreadsheet with the following information columns: - likeddate (current timestamp) - pagename (to be extracted from when not null, else the file name or URL) - Gmail (the person must log in/or authorize Google Account) - pageurl (the URL of the page In the even the Gmail account doesn't have permission on the Spreadsheet, a dialog should appear notifying the user of the permission restriction.