Love being able to quickly and easily find and email to my cook-husband the recipes he likes while hes on his way to the store to buy the ingredients. Hell call or text and say, "Find me a recipe for scalloped potatoes and send me the ingredient list." Happy to comply!
Also, there are so many unreliable recipes on the Internet that one must have a trusted source of information or else risk possible illness, aggravation, or even just wasted time, money, and food. Or worse.
Perspicacity Penn about Cook’s Illustrated