These two google doc links will help with the crowd-sourcing excericise info
https://docs.google.com/spreadsheets/d/1Kt8RWRQgXAA5XzgnlM3rFaZ5gvstktJn3shsEZJ0J2I/edit#gid=1139337756
https://docs.google.com/spreadsheets/d/1FjrvSpZcuzq1wDPxvP1L6aO2vYZLMLhG/edit#gid=1250121921