How can I make a page or site where people can upload photos and videos (just like Instagram) ?

Question

I wonder how can I create a page where users are free to upload photos or diverse content(video, audio, statuses, documents) and then the content could be displayed and shared onto the page.
What languages do I need?

Answer 1

You need to handle server sided language in addition to JS use on client side ^^

Answer 2

I think it's instagram created using Ruby :)

Answer 3

You would need HTML, CSS, JavaScript, and SQL. If you want user log in, use PHP too.