Before instagram, you'd just have to use a 400 dollar piece huff wor called photo shop. The advancements of gpus and sofware and the camera quality on your phone combined with people understanding what social network was led to this incredible reason of why instagram became so popular. If it wasn't for a decade and billions of smart bones being made, a company like rain could not exist. There are good ideas but an idea is not a company. What people are looking for is track records from founders and teams, world class products that you are able to build on. And growing start ups, that's where funding occurs today.