5 July 2010 Last updated at 19:14 ET

Dom Sagolla, DollarApp

Simplicity is key says Dom Sagolla

Start-up Stories

Dom Sagolla is one of the creators of the micro-blogging service Twitter, and author of 140 Characters: A Style Guide for the Short Form.

Start-up Stories

DollarApp

  • Turnover: Not disclosed
  • Number of employees: 1
  • HQ location: San Francisco, USA
  • Year founded: 2008
  • Ownership: Privately-held

Dom's iPhone application development company DollarApp operates on an intriguing principle - using one person to create a new product in one month - and selling it for one dollar.

Key advice

"The simpler you make your idea, the easier it is... to understand the market and get it out there".

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