Good Ones!It's measured in hits WEBTRAFFIC
It's taken in spots TEA
In-line pickup? IMPULSEBUY
Dated SAW [didn't think of it that way]
Western staple OUTLAW [I was thinking food]
No-goodnik's accumulation BADKARMA [didn't think it accumulates but it does]
I think the clue "Like radio waves" for UNSEEN would have been better if "for example" had been added.