If you have looked for your car recently in a big parking lot and had trouble finding it you can be forgiven. All modern cars look alike. In fact, if you photoshop the grille of one maker onto the car of another and it’s nearly impossible to tell the difference as this work by Jalopnik demonstrates Yup. That’s a Kia with a BMW grille. So why do I bring this up? Because yesterday Twitter announced that it was replacing the star icon with a heart for favoriting. This too seems to me driven by a...