Our kitchens are important parts of our homes. Over our lifetimes, we will spend three years (or 27,156 hours!) cooking, and our kitchens will provide us with 60% of our meals. And though they’re important, they have not remained consistent through the years. As habits, culture and style preferences change, so, too, do the kitchen appliances and designs. Take a walk through history with this timeline of kitchen gadget trends thanks to ForRent.com.