A better filter Instagram could do worse than unfriend Facebook. The photo-sharing site may be worth more than 80 times what the social network founded by Mark Zuckerberg paid six years ago. Now, though, the data leaks engulfing its corporate parent risk becoming a liability. Separating Instagram off – even if Facebook were to remain its biggest shareholder – might be a wise pre-emptive move. Facebook snapped up Instagram for $1 billion on April 9, 2012. The visual app was growing fast and attracting new users, but the price tag still looked like an example of inflated Silicon Valley valuations.