How did the idea come about?
From the love taking photos. Always assumed taking interesting photos required a big bulky camera and a couple years of art school. But as mobile phone cameras got better and better, we decided to challenge that assumption. So Instagram was created to solve three simple problems:
Mobile photos always come out looking mediocre. Instagram's awesome looking filters transform your photos into professional-looking snapshots.
Sharing on multiple platforms is a pain - the app help you take a picture once, then share it (instantly) on multiple services.
Most uploading experiences are clumsy and take forever - it is optimized the experience to be fast and efficient.