We live in a digital world. And the ability in it can serve a good service. It does not matter for what purposes you can use this knowledge - to eliminate defects in your own photos, drawing or the needs of web design. Moreover, it can become both a hobby and a profession.
For example, using Photoshop - one of the most popular graphic editors - you can create collages, layouts, infographic, animation, retouch portraits, draw pictures. And this is only a small part. The development of such programs can begin with more simple and free editors offered by the market.