Start and up
To grow rapidly
http://f.fastcompany.net/multisite_files/fastcompany/imagecache/1280/fc_files/2011/1781979-new-facebook-timeline-is-all-about-discovery-and-explosive-revenue-growth--rotator.jpg
Start-up should be designed to grow rapidly.
It is not start-up if the company does not grow rapidly though
it has high technology, funded from VCs or has exit strategy
Traction P4より
Start-up grow rapidly (J-curve)
Small business is with incremental growth