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My account was hacked and I am now “liking” 400+ pages. Other than spending a few hours manually removing them from my account, is there a quicker way of removing them all at once?
I don't mind removing any of my own “likes” if it involves doing that.
Yes, very easily. Facebook recently implemented a feature that allows you to download your entire profile, just click 'learn more" on your account page (see screenshot). https://register.facebook.com/editaccount.php
It will compile your profile, photos, statuses, videos, etc and email you when it's ready. The download manager then makes you pass some verification questions in which you identify people (you're supposed to know) who are tagged in your friends' photos.
You can "like" a Facebook page as a page you administer. For this you need to log-in your account - Then go to the page you'd like to "like" as a page - scroll down until you see the option to “Add to My Page’s Favorites” at the very bottom on the left hand side.
Now click this option and you’ll see a pop-up window, where you can choose from the pages you admin.
That's it.
Best Answer
I will be the bearer of bad news. Apparently there is not such feature. In their help page about the activities (where you can see a bunch of your "activities") nor in any other aggregator you can do this. Maybe you can mess with the API's as suggest this question in StackOverflow you will manage, otherwise, using the web application, keep clicking for hours.
For the API:
Access to this link: https://developers.facebook.com/tools/explorer/?method=GET&path=me%2Flikes%3Ffields%3Did, generate a token using the button at the top right part of the screen.
In the user permissions make sure
user_likesis selected:Click "Get", now you will get a bunch of ID's about all your likes, take note of each number, then use the following URL to delete them:
https://graph.facebook.com/ID?method=deleteissue several post request. You can select your preferred application to do it (using the access token) or the Graph API Explorer as I did.Source: https://developers.facebook.com/docs/reference/api/deleting/