Why a lean start-up needs a business plan?

Lean Start-ups

First of all, kudos to Paul Jones for a great article on why even a lean start-up needs a business plan: http://technori.com/2013/01/3135-why-almost-every-startup-needs-a-business-plan-lean-startups-too/.

Lean Financials

And to reduce the time it takes to create the financial parts of that business plan, use www.offtoa.com, the first tool that lets you model your start-up using the language of lean start-ups (paid, viral, and sticky growth engines) and automatically generates pro forma financial statements.