crop is a common geometric subtraction action taken on photos or images on the IndieWeb when including them in constrained contexts such as a square icon in a facepile or reply-context, or the photo in a photo reply, and also something silos automatically do in photo or multiphoto posts when displayed in-stream which can have unintended results.
Examples of IndieWeb sites which crop images from other sites when displaying them in various contexts.
... need examples ...
Miscommunication from cropped text
Auto-cropping photos, especially with photos with text, can result in unintended messages and miscommunication.
Facebook miscrops of photos
Multiphoto post examples:
That moment of horror when Facebook crops your logo.
Look what Facebook did to the late great Jack Bruce!
One cropping technique is to use CSS, e.g.