f you want to do free advertising there are plenty of ways to do so.
You might want to try some offline free advertising. I suggest getting
a free short redirect url such as tiny url dot com. You can place it on
flyers.
There are some free hosting accounts online that might help in regards
to directing people to your ClixSense website.
There is also plenty of free classified ad sites online.
I have a sticky topic posted that relays various ways to advertise for free
and its located in the general discussions forum category: