Google the search engine. Before I had to us Hotbot and Altavista. Google changed the game.
YouTube. The user-generated content helped bring a lot of small time productions to be seen by millions of people. Now you can see a video about almost anything, especially if you need a how-to, tutorial, or learn about anything.
Adobe Photoshop's Content Aware Fill, Healing Brush, etc. This changed the game for photo manipulation. You no long had to do it manually by hand using clone stamp. Now the computer does a pretty good job for you.
Smartphone camera. This is more hardware than software, but they practically destroyed the entire compact camera market. Now everyone has a great camera and camcorder in their pockets. Now with their image processing, they're rivaling DSLR images for low-res images.
YouTube. The user-generated content helped bring a lot of small time productions to be seen by millions of people. Now you can see a video about almost anything, especially if you need a how-to, tutorial, or learn about anything.
Adobe Photoshop's Content Aware Fill, Healing Brush, etc. This changed the game for photo manipulation. You no long had to do it manually by hand using clone stamp. Now the computer does a pretty good job for you.
Smartphone camera. This is more hardware than software, but they practically destroyed the entire compact camera market. Now everyone has a great camera and camcorder in their pockets. Now with their image processing, they're rivaling DSLR images for low-res images.