Facebook bought photo sharing app Instagram for $ 1 billion on Monday . Comment: The freedom to share and connect with users across the globe is big part of what keeps Dallas coming back to Instagram , the wildly popular mobile photo sharing app , again and again . But many users worry that Facebook will kill what 's wonderful about the app .
Facebook bought photo sharing app Instagram for $ 1 billion on Monday . Comment: But many users worry that Facebook will kill what 's wonderful about the app .