# × 518
education × 160
online × 137
udacity × 97
coursera × 90
#ml × 78
#saas × 68
%prc × 63
#coursera × 47
#udacity × 43
#pgm × 42
%bse × 41
#nlp × 40
official × 39
#cs101 × 11
#cv × 11
#hci × 9
#at × 7
date × 7
#comp × 4
#il × 2
#cr#compsec × 1