Instagram says it has tweaked the oft-ignored 'Explore' section, adding content relevant to users.
The private photos of some Flickr users were displayed publicly for almost three weeks, it has emerged.
Instagram has confirmed it is requesting photo ID verification from users its thinks have violated its terms of service.
The backlash against Instagram's new terms has continued, with National Geographic threatening to delete its account.
Photo-sharing site Instagram recorded its busiest day ever on Thursday and, quelle surprise, the increased volume of posts was food related.