Our traffic and subscriber count has jumped 500% on /r/girlsontheirbacks since getting a link from /r/TheHangingBoobs. I think this image is an appropriate illustration of what has happened.
The didgeridoo is a wind instrument developed by Indigenous Australians of northern Australia potentially within the last 1,500 years and still in widespread use today both in Australia and around the world [Wikipedia]
In a given year, it costs roughly 躔 million to put seatbelts in every U.S. vehicle, which yields a rough estimate of ฮ,000 for every life saved. [SuperFreakonomics]