With each page request, Silk dynamically determines a division of labor between the mobile hardware and Amazon EC2 (i.e. which browser sub-components run where) that takes into consideration factors like network conditions, page complexity and the location of any cached content.
These pro-growth reforms are the result of tax competition, or the pressure to adopt competitive economic policies that is put on governments by an increasingly globalized society where both labor and capital are mobile.
Fast Company just featured an article about Labor Link, a group which uses mobile phones to collect information about working conditions in factories directly from employees.