It seems astonishing that 9/11 happened over a decade ago and today, eleven years after the day that left an indelible mark on America and the rest of the world, the social web is remembering.  From YouTube to Facebook, Twitter, Instagram, Pinterest, Tumblr and beyond, people are remembering September 11, sharing stories, posting tributes and more.

We’ve compiled a short list of some of the ways the world is remembering 9/11 on the social web.  Check out some of the videos, images and links below and feel free to share your stories with us in the comments.

YouTube

On YouTube a number of 9/11-related videos are trending.  One newly discovered video of the view from inside the top of the World Trade Center just days before the attack has gone viral, garnering nearly 1 million views.

EarthCam has also released a time-lapse video of the rise of One World Trade Center.

Twitter

On Twitter, September 11 has taken over the trending topics with One World Trade Center, #NeverForget911, #Remember911, #Sept11, Pentagon, #WTC, and #september11 all trending.  People are tweeting condolences, personal stories and more.

Additionally, the NYPD News Twitter account is tweeting the names of those lost on 9/11 and afterwards due to 9/11-related illnesses throughout the day.

Instagram

In honor of 9/11, Instagram has released a photo collage of photographs taken by members of the crew building the new World Trade Center.  The building is expected to be completed in late 2013.

Facebook

On Facebook, those that lived through September 11 have been sharing personal stories, photographs and more throughout the day.  However, like on Twitter, the NYPD Facebook page is a major epicenter for remembering the fallen.

Pinterest

A Pinterest search for 9/11 uncovers a plethora of September 11-related pin boards, full of photographs of the fateful day, of the victims, of New York, patriotism and more.

Tumblr

Tumblr is also overflowing with personal stories about September 11.  Even eleven years later it’s interesting to read about different people’s experiences and how 9/11 affected them and their lives.

Image credit: bcujo via Instagram

Megan O’Neill is the resident web video enthusiast here at Social Times.  Megan covers everything from the latest viral videos to online video news and tips, and has a passion for bizarre, original and revolutionary content and ideas.