As a psychologist, I have always found the concept of speed dating fascinating.
In early 2005 Speed Dater ran its first Lock and Key party in London.
Lock and key parties are more like a singles party.
However, current sophisticated probabilistic approaches struggle to handle data sets of this size.
Here, we present very fast dating algorithms, based on a Gaussian model closely related to the Langley–Fitch molecular-clock model.
In order to ensure equal numbers of men and women at our events, everyone must register in advance.