Typical tech company will use 90% of it's energy running the HVAC unit so that Susan in accounting stops complaining about being cold but people will freak out cause the app uses slightly more energy.
Man, this is like when someone was arguing with me that Right on Reds is not that impactful to the environment, they said something like "Oh on average it only cuts off 30 seconds off of someone's commute."
Multiply the "slightly" by 100 million installs!