When opening a posts atachment on Facbook I keep seeing different parameters in Facebook URLs like:
&set=pcb.123456789
&set=gm.123456789
&set=oa.123456789
&set=a.123456789
What do they mean?
When opening a posts atachment on Facbook I keep seeing different parameters in Facebook URLs like:
&set=pcb.123456789
&set=gm.123456789
&set=oa.123456789
&set=a.123456789
What do they mean?