A recurring theme in these comments has been the hassles of doing things like fulfillment (can't use Amazon) and payment-processing (can't use Kickstarter) acro

A recurring theme in these comments has been the hassles of doing things like fulfillment (can't use Amazon) and payment-processing (can't use Kickstarter) across national borders. If you want to build the killer app for the 21st century, figure out how to help people route money and physical objects globally, with all these obnoxious borders abstracted away. ;-)