The Map and how did Fred and George get it?

[drjuliehoward]

No: HPFGUIDX 88845

--- In HPforGrownups at yahoogroups.com, "Berit Jakobsen" 
<belijako at o...> wrote:
> vmonte wrote:
> > 
> > Maybe Dumbledore gave the map to Fred and George just like he 
gave 
> > Harry the invisibility cloak.  DD seems to like to pass gifts to 
> > students.  These gifts are then later used to service DD and or 
the 
> > Order in some way.  
> > 
> Berit replies:
> 
> May I turn your attention to Geoff's excellent post, #88728, where 
he 
> quotes canon, telling exactly where Fred and George got the map.
> 
> Berit
> http://home.no.net/berjakob/snape.html

Julie
I know where they got the map, but does anyone know how they learned 
to use it?  That is what I find intriguing.