Requirement for each event vary with the organizer.
Specific age range based on gender is a common restriction for events.
Most speed dating events match people at random, and participants will meet different "types" that they might not normally talk to in a club.
On the other hand, the random matching precludes the various cues, such as eye contact, that people use in bars to preselect each other before chatting them up.
Many speed dating events are targeted at particular communities: for example, LGBT people, polyamorists, Some feel that speed dating has some obvious advantages over most other venues for meeting people, such as bars, discotheques, etc.
On the other hand, a couple that decides they are incompatible early on will have to sit together for the duration of the round.Furthermore, issues such as religion, previous marriages, and smoking habits were found to play much less of a role than expected.A 2006 study in Edinburgh, Scotland showed that 45% of the women participants in a speed-dating event and 22% of the men had come to a decision within the first 30 seconds.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.Unlike many bars, a speed dating event will, by necessity, be quiet enough for people to talk comfortably.Participants can come alone without feeling out of place; alternatively it is something that women who like to go out in groups can do together.Speed dating is a formalized matchmaking process whose purpose is to encourage eligible singles to meet large numbers of new potential partners in a very short period of time.It was created in 1998 by Antony Beilinsohn (a Los Angeles based television executive) after his Rabbi, Yaacov Deyo, encouraged Antony to conceive of innovative new ways for eligible jewish to meet and marry.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.