Founded in March 2010 with the initial name of “Burbn” by Kevin Systrom and Mike Kreiger with the $500,000 in seed funding. It was launched in the Apple “app” store in November of 2010. In February of 2011 they raised an additional $7 million including an investor called Jack Dorsey of Twitter fame.
Instagram reached the milestone of 1 million users in December 2010 (only 9 months after being founded and only 1 month after going live in the Apple “app” store)
In August 2011 Instagram users had uploaded 150 million photos
10 million users were using the app by September 2011
Version 2.0 released including high resolution photo capability
The release of the Android app version saw 1 million downloads in 1 day!
April 2012, Instagram reaches the new milestone of 30 million users