You've probably read dozens of articles referring to the above graphical description for the lines on the SOLO brand plastic cups. Although the amounts are correctly associated with the lines, SLO came forward on its Facebook page to dispel this as a myth. The lines on the cups were not added with alcohol in mind (although you can still use it for that). 

They provided this alternative response 

So now you know the truth. Go forth and spread the good word. 

You can join SOLO's Facebook page by clicking here.