It's not unusual to see people who hit the gym regularly drive around a parking lot looking for a spot as close as possible to the entrance. This same crowd is just as likely to take the elevator instead of the stairs.
German Article about the App "NATE HELPS". You can give with this App to charity without spending your own money. They show ads on the lockscreenof your smartphone. There are dozens of charities you can give to - like UNICEF etc.