Eliminating the two things I hate most about sunblock:
1) The way it feels on the palms of my hands after it's all rubbed in.
2) Having to ask someone to get my back for me (I'm sure they don't like how it feels either on their palms. Also, everyone always misses the all important swimsuit line. I always end up with a thin line of a sunburn that resembles my swim suit.)
Hooray spray sunblock!!