What in the world does language in which the site was made in has to do with success? They were never acquired for technology - in fact, go read about their setup on HA, it's very standard stuff.
If you build a product that gets traction and solid user base with some viral aspect in step 2, you will sell - even if your app/site were made in QBasic.
If you build a product that gets traction and solid user base with some viral aspect in step 2, you will sell - even if your app/site were made in QBasic.