When Hilda enters the kitchen, Ignacio has put spread on both halves of his bread and adding a tomato slice to one side. When the camera pans between Hilda and back to Ignacio, he is putting spread on one piece of bread again.
When Betty is writing her hotel-review you can clearly see a Windows Vista screen, although Betty's Laptop is an Apple MacBook (with logos covered). Additionally Vista was released one day before the airing.