
1) Mixing and matching 2) Modern matchmaking
Found on
https://www.crosswordclues.com/clue/speed-dating

Speed dating is a formalized matchmaking process or dating system whose purpose is to encourage people to meet a large number of new people. Its origins are credited to Rabbi Yaacov Deyo of Aish HaTorah, originally as a way to help Jewish singles meet and marry. SpeedDating, as a single word, is a registered trademark of Aish HaTorah. Speed dating...
Found on
http://en.wikipedia.org/wiki/Speed_dating
No exact match found.