
The 16 July 2010, Kevin Systrom —A recent Stanford graduate and American engineer and entrepreneur, still employed by Google—is testing the alpha version of the app he just coded with his friend Mike Krieger. He photographs a Baja California sidewalk: a foot in a flip-flop, a curious puppy. This ordinary snapshot becomes the first official Instagram image and opens the story of a network that would have more than a billion monthly active users sixteen years later.
A discreet launch that became a global phenomenon
Instagram was originally based on two simple ideas: a single square format and the application of predefined filters to standardize the image. This combination made it easy to post from a smartphone, while Flickr and Facebook still primarily relied on digital cameras. Less than a year after the first image was uploaded, the app reached one million users. In 2012, Meta (then Facebook) paid one billion dollars to acquire it.
Since then, the platform has introduced short videos, Stories, integrated shopping, and a recommendation algorithm. Despite these successive additions, the initial concept remains: sharing a visual moment without leaving your phone.
Why does this image remain iconic?
First, the photo illustrates the spontaneity As envisioned by Kevin Systrom: no sophisticated framing, no retouching outside the app, just a test upload. Secondly, it symbolizes the shift in image sharing from computers to mobile devices, a trend that still dominates in 2026. Finally, it serves as a historical marker: seeing the puppy and the flip-flop reminds us that an ecosystem of over a billion users was born from an ordinary gesture.
Instagram in key figures
- Public launch October 2010 on iOS, April 2012 on Android
- Acquisition by Meta : April 2012
- Monthly active users : approximately 1,3 billion by early 2026
- Main formats Photos, 24-hour Stories, Reels up to 90 seconds, photo and video carousels
- Average time spent per day : 33 minutes according to Data.ai (2025)
A cultural reference that remains relevant today
For brands and individuals alike, Instagram remains essential: product launches, influencer recruitment, and live event coverage. Museums and the media still hold the first image of Kevin Systrom as symbol of mobile photographyIt regularly features in retrospectives on the history of the Internet, alongside the first tweet or the first message posted on the Web.
Follow the founder's journey… and continue the exploration
Kevin Systrom left his position as head of Instagram in 2018, but he remains active in tech: he co-pilots Artifact, an AI-powered news aggregator. Its Instagram profile, long silent, now features travel photos and notes on entrepreneurship.
If you want to compare the evolution of formats, look back at your own timeline: the original 612-pixel square now exists alongside full-screen vertical videos. This diversity reminds us that, despite technological changes, the initial promise still holds true: create and share an instant memoryOne foot in flip-flops and a puppy were enough in 2010; sixteen years later, the essentials haven't changed.


