Photo sharing service Instagram on Tuesday announced plans to apply an optimization algorithm to user feeds that, much like the system used by parent company Facebook, reorders posts based on a variety of performance metrics.
Source: APPLE INSIDER

Aggregating the Future
Photo sharing service Instagram on Tuesday announced plans to apply an optimization algorithm to user feeds that, much like the system used by parent company Facebook, reorders posts based on a variety of performance metrics.
Source: APPLE INSIDER