Insight in Creating a Profitable Startup Company

Startups.
Have you thought of starting your own business ?
Or have you already started your own business ?

You have a great idea.
You have a great team to start with (Best case scenario)
You are ready to gear up and kick start your startup.
So you have everything in place....
What else is required ?

Idea + team + ? = Profit

In the following video,David Heinemeier Hansson,
creator of the Ruby on Rails framework and Partner at 37Signals
will be sharing his insights in creating a profitable startup company.

Your Turn.
What's your view ?