"There is an option to export your shared and liked items, along with a list of friends and followers, on Google Reader’s settings page, but it comes with a big catch — the export format. There are two options for exporting your old sharing items, a JSON Activity Stream or a custom Google Reader JSON format. Neither format will do you much good. One was made up for Google Reader and the other is not widely used, meaning there isn’t much software out there that can read your exported data. Google likes to pride itself on its data portability, but in this case there’s nowhere to take your data, making Google’s export efforts disingenuous at best."