1. One Magic Trick to Keep Growing Date 2. Our friendly witch, Jordana, has been having a problem with her brand hacking Date 3. She’s Been Running A/B Tests✤A button✤Some…
Northgrid Alessandra Forti M. Doidge, S. Jones, A. McNab, E. Korolkova Gridpp26 Brighton 30 April 2011 Efficiency The ratio of the effective or useful output to the total…