The forecastle of a ship, commonly seen spelled as foc'sle to reflect the truncated pronunciation used by mariners, is the area where sailors sleep and congregate while off duty.
The foc'sle is located in the forward part of the ship, also called the bow, and in front of the main mast. The foc'sle serves as accommodations for regular sailors, while officers of the ship are housed in other areas.
On www.sailorjones.com this is where we'll note wind shifts in our industry catching our attention - particularly what's happening in interactive television, social media and marketing, outstanding video clips and the occasional regatta headline!
This article about social networking is quite intriguing.