07/17/2012 12:52 pm ET Updated 6 days ago

First Instagram Photo: Picture Sharing App Celebrates Two Years Since Testing First Image

It's been two years since developers behind the popular mobile photo-sharing app Instagram tested their first photo, and as it turns out, not much has changed in terms of what users choose to photograph.

On its blog, Instagram shared a photo of a cute puppy chilling on the floor -- the first picture the company uploaded through an app, which at the time they called "Codename."

Since Instagram launched in October 2010, more than 50 million people have shared more than 1 billion photos on the application, according to the company's blog post.

The app has gained popularity among users of all ages and big-name celebrities, such as Kim Kardashian, Justin Bieber and Pink, Mashable notes.

The application has also garnered plenty of attention for its filters, which can give photos a distressed, 1970's look -- a feature some critics say disparages the quality of a photograph. Earlier this year, a writer at Belgian blog Applelogen even experimented with the app's settings and applied all 17 filters to one photo, which resulted in a fire-ball like image.

Websites like BuzzFeed have also poked fun at the cliche photos -- sunsets, fireworks, reflections -- that are always guaranteed to make an appearance on users' feeds.

In April, Facebook announced it was buying Instagram for $1 billion in cash and shares. Mark Zuckerberg noted the acquisition was an important one for his company.

"This is an important milestone for Facebook because it's the first time we've ever acquired a product and company with so many users," Zuckerberg wrote in a post.

But before Instagram there was the good 'ole World Wide Web. And the first photo ever posted there wasn't exactly pretty.

The promotional image of Les Horribles Cernettes, an all-girl comedy band, was posted 20 years ago on July 18. Vice said the photo, which featured some rather terrible Photoshop adjustments, was "born with some original sins that have never quite washed away."

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