Its likely that even before humans had permanent dwellings or owned property, men and women were seeking out anonymous sexual hook-ups no strings attached NSA encounters to get off, get out, and get on with their day. Until recently, gay men sought such encounters in public parks, restrooms and bathhouses, while straight men found them in singles bars, strip clubs, swingers clubs and brothels. Today, the Internet, social media, and the related proliferation of sex-locater smart-phone apps have rapidly, drastically, and permanently altered the anonymous sex landscape. And considering humanitys spotty track record with impulsive and addictive pleasure seeking, the horizon is darkening in relation to sexual addiction, sexual compulsivity, anonymous infidelity and disease transmission as people mindlessly, albeit briefly, place their health and intimate lives in the hands of complete strangers. Todays geo-located, readily accessible anonymous sexual encounters, while intoxicating play for some, are already taking their toll on others, leading them into health, career, and relationship crises.