In the latest 'study' version of the WT (Aug 15, 2012) there is a report on the AGM last year.
"Balsatar Perla interviewed three fellow members of the Mexico Bethel family regarding the merger of six Central American branch offices with the Mexico branch. Because of this merger, the Bethel family in Mexico has become more multicultural and international. The influx of fellow believers from different lands has resulted in an interchange of encouragement. It is as if God took a huge eraser and eliminated national borders."
And we just thought it due to economics!
They have also provided a 'secure e-mail connection' to each congregation in these countries.
They also try to justify the Warwick move that will take at least four years to build. Really near the end.