Requirement for each event vary with the organizer.Specific age range based on gender is a common restriction for events.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.In the UK, there are two companies that run events in more than twenty cities: Speed Dater and Slow Dating.Speed Dating, as a single word, is a registered trademark of Aish Ha Torah.Speed dating, as two separate words, is often used as a generic term for similar events.In a 2012 study, researchers found that activation of specific brain regions while viewing images of opposite-sex speed dating participants was predictive of whether or not a participant would later pursue or reject the viewed participants at an actual speed dating event.Men and women made decisions in a similar manner which incorporated the physical attractiveness and likability of the viewed participants in their evaluation.
Most speed dating events match people at random, and participants will meet different "types" that they might not normally talk to in a club.
Pre-Dating was acquired by Cupid.com, but eventually became independent again. The disadvantage is people do not actually meet one another.
One of the advantages that speed dating has over online speed dating and online dating in general is that when being face to face with someone, you get a better sense of who they are due to their body language, gestures, tonality and more.
On the other hand, feedback and gratification are delayed as participants must wait a day or two for their results to come in.
The time limit ensures that a participant will not be stuck with a boorish match for very long, and prevents participants from monopolizing one another's time.