Which two activites are closely associated with a popular 2004 concept which spurred  the hoax claim, Toothing?
Toothing: Toothing was originally a hoax claim that Bluetooth-enabled mobile phones or PDAs were being used to arrange random sexual encounters, perpetrated as a prank on the media who reported it. Toothing:  They based it on the two concepts dogging and bluejacking that were popular at the time. Dogging (sexual slang):  As observation is encouraged, voyeurism and exhibitionism are closely associated with dogging.
i don't know