This shows the most active users in the top 30 stories on Hacker News in the last three hours.

UsernameScore
TulliusCicero20
MattGaiser15
saagarjha14
badrabbit12
antepodius11
jrichardshaw11
rglullis11
agensaequivocum10
raphlinus10
GekkePrutser9
ls655368
earthscienceman7
lefrenchy6
twblalock6
badRNG6
gentleman116
mhh__5
jackcosgrove5
asdf215
dang5
skohan5
Jasper_5
chubot5
rsynnott5
chinesempire5
rurban5