From the try-out phase, startup needs to quickly move on to entrench the new users by making the product progressively useful and addictive.

FORBES: On Take-off Runway With A Chance of Runaway Growth: A Case of Social Products

Much to the surprise of startups in Silicon Valley (and those who love to write about them) Seattle has quickly become a startup mecca.

FORBES: Need A Job? Twitter Opening New Office In Seattle

The quickly growing design ecommerce startup Fab.com has made its third acquisition, snapping up U.K. startup Llustre for an undisclosed price.

FORBES: Fab.com Acquires Llustre To Open U.K. Website And Office