Screenshot from Facebook VideoFacebook

Facebook on Thursday announced that it reached one billion user mark last month and celebrated in style by releasing a special video.

The announcement is significant as the No.1 social networking site has been questioned by investors and analysts over a slowdown in its revenue growth ever since it opened up initial public offering (IPO) in May this year.

Chief Executive of the company, Mark Zuckerberg, has given out a statement on his Facebook page celebrating the achievement. He thanked the users for helping connect to one billion people around the world.

"This morning, there are more than one billion people using Facebook actively each month. If you're reading this: thank you for giving me and my little team the honor of serving you. Helping a billion people connect is amazing, humbling and by far the thing I am most proud of in my life," he wrote.

"I am committed to working every day to make Facebook better for you, and hopefully together one day we will be able to connect the rest of the world too."

Zuckerberg said "celebrating a billion people is very special to me. It's a moment to honor the people we serve". He also said about a video the company has released marking the occasion.

"For the first time in our history, we've made a brand video to express what our place is on this earth. We believe that the need to open up and connect is what makes us human. It's what brings us together. It's what brings meaning to our lives," he wrote.

"Facebook isn't the first thing people have made to help us connect. We belong to a rich tradition of people making things that bring us together. Today, we honor this tradition. We honor the humanity of the people we serve. We honor the everyday things people have always made to bring us together: Chairs, doorbells, airplanes, bridges, games. These are all things that connect us. And now Facebook is a part of this tradition of things that connect us too. I hope you enjoy this video as much as we do. Thanks for helping connect a billion people," he added.

To watch Facebook Special Video, Click HERE