This and icons8 is getting pretty close to what I'd love to use on a regular basis. Unsplash has been great for creating a wonderful platform for truly free do what you want images. Now I'd like to see the same in audio/video. For advertising on YouTube or even actual commercials it would be nice have really affordable solution to use generic (but good!) sounding music that small businesses could use to give their ads a more polished feel. It's a big help because a lot of companies can't afford the licenses for big tracks or hire in a studio. Heck, even paying for images typically is a hard pill to swallow.
As a consumer I always appreciate seeing higher quality production regardless of the product.