According to the app monitoring website Down Detector, users began reporting problems at around 2:08 pm ET, with more than 1,500 incidents reported at its peak. As of 2:49 PM, that number has fallen to 45 reports.  Users took to Twitter to vocalize their frustrations or make light of the situation. Instagram has yet to acknowledge the issue. The app just experienced an outage last week, which lasted approximately 45 minutes, according to reports.