This commercial from Microsoft unabashedly compares the Surface Pro 3 to the MacBook Air. I like how they've chosen the song "I am the Best" by K-Pop group, 2NE1.
Sometimes the facts speak for themselves. Just compare the Surface Pro 3 to a MacBook Air. Both have the same storage and processing power. But only the Surface Pro 3 has a touchscreen, a pen and converts to a tablet. Surface Pro 3.
Surface Pro 3: The tablet that can replace your laptop.