As reported by the BBC in the Science of Love, it only takes between 90 seconds to 4 minutes of face-to-face interaction to determine attraction, which gives speed dating an advantage over online dating.
While over 100 companies in the US offered speed dating through online registration during the growing of the Internet, between 20 three large speed dating companies emerged with a national footprint in the US, with events in over 50 US cities: Hurrydate, 8Minute Dating and Pre-Dating.
Requirement for each event vary with the organizer.
Specific age range based on gender is a common restriction for events.
Speed Dating, as a single word, is a registered trademark of Aish Ha Torah.