Technology entrepreneurs of past eras took two years to build a product, hire a staff and figure out whether there was any real market for their service. But today all that typically takes only a few months as founders cycle quickly through different ideas until they find one that sticks.
Kevin Systrom's Instagram, which started out as a virtual "check-in" site and wound up as a photo-sharing service, is a recent high-profile example.
The 28-year-old Mr. Systrom started a company about two years ago that attempted to put a new spin on the idea of virtually checking in at various locations via smartphones, then broadcasting that visit to one's social network. His company, which he called Burbn Inc., enabled people to leave messages via their phones that could be retrieved by others visiting the same location.
To read the full, original article click on this link: 'Pivoting' Pays Off for Tech Entrepreneurs - WSJ.com
