That will entail broadening its product line so that Spongecell can apply the concept of producing different ads to different audiences.

FORBES: Manhattan Start-up, Spongecell, Grows 6,325% in 2012

The bottom line is clear: broadening the tax base to remove the social and industrial policies that have eroded the tax system is a good step toward a simpler tax system that promotes more growth.

FORBES: Tough Politics Are the Barriers To True Tax Simplification