Related: What Does an Upside-Down Pineapple Mean? The Hidden Message Behind the Symbol Why was SOS chosen as a distress signal? SOS was chosen as a distress signal for its simplicity. The ...

Essentially, while SOS initially had no meaning outside of its speedily sent ... and it's been the distress signal used in and outside maritime operations ever since.

However, the map doesn't just reflect where SOS signals were needed but also where ... This doesn't necessarily mean more people had emergencies. It may reflect that more outdoor people now ...