I use social media for food based information. So, learning how to take better photos of my food is really important to me. These are a couple of things that I can do right now to improve the look of my photos.
A histogram: You try to look at your images on the LCD screen but because of the bright light, you can hardly see anything. You arrive home, offload your images on your computer and realize that all your photos are either overexposed or underexposed.