The fast food industry has a truth-in-advertising problem. And it's probably a lot worse than you realise. These side-by-side photos show why you should never trust the marketing.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: KFC's secret menu items - the Kentucky Slider and the Kentucky Snack Pack. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: McDonald's Wagyu Beef Burger. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. More often than not, the discrepancy is striking. Here are the best and worst examples of 2018.

The McRib is back. I actually have no idea what a McRib is, but it's back, and it's apparently one of the fast food chain's most commonly requested limited menu items. So we've picked one up, tasted it and, more importantly, seen how it stacks up to its glossy (and saucy) promotional imaging. Here's our verdict.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. Today: KFC's Zinger Double!

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: McDonald's Big Brekkie Burger. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. Today: Hungry Jack's Tendercrisp Crispy Cheese burger.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. Today: McDonald's Grand Big Mac burger. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. Today: KFC's $5 Hot & Spicy Lunch Box.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: Hungry Jack's Minis.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images to what you actually get served. Today: KFC's Big Cheese Burger. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: Guzman Y Gomez's Breakfast Nachos. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: McDonald's Chicken Big Mac.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: KFC's Zinger Mozzarella Burger. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: Hungry Jack's Bacon Whopper Jr.

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: Pie Face's "Double Cheeseburger" Pie. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: Hungry Jack's Grill Masters Fiery Angus. (Plus taste test!)

Takeaway Truth is an occasional Lifehacker feature where we compare marketing images against what you actually get served. Today: the KFC Zinger Black burger. (Plus taste test!)