Well, to answer my own question with this anecdote:
after several earlier surveys resulting in no reward,
I just took 2/8/19 "Business & Employment" survey,
answered more "loosely" by checking multiple boxes
when possible, & got the 60 mile reward. Its valuable
because my 18 mo inactivity period was to be triggered
April 2019...

PS. within minutes I got unsolicited Life Insurance email offer,
could be related...or not... (it was subject of one question)