How much time I spent at ClixSense:

PTC Stats
Extended ad clicks = 7 * 60 secs = 420 secs = 7 minutes = $0.14
Standard ad clicks = 967 * 30 secs = 29 010 secs = 483.5 minutes = 8 hours 3 minutes 30 secs = $9.67
Mini ad clicks = 305 * 15 secs = 4575 secs = 76.25 minutes = 1 hour 16 minutes 15 secs = $1.525
Micro ad clicks = 3370 * 5 secs = 16 850 secs = 280 minutes 50 secs = 4 hours 1 minutes 30 secs = $3.37

ClixGrid Stats
9949 clicks = 99 490 secs = 1658 minutes 10 secs = 27 hours 38 minutes 10 secs = $5.05

Totals
I spent 41 hours, 1 minute, 30 seconds
I won $14.70