Success Breeds Success in Startups
hbs.edu
hbs.edu
"Successful entrepreneurs are somewhat better than unsuccessful ones; the differential is amplified by their ability to attract more and better resources."
They define success as going public, but claim that "the findings are similar" if success is defined to include acquisitions and mergers.
Meanwhile a repeat successful entrepreneur has a few mil in the bank, street cred to get VC $$$ and free media coverage. And that gets them that starting core of users to help grow the service during hte early days.
The latter is to a proprietary web document viewer for PDF files.
The link provided is directly to a PDF file.
One is most definitely not the other. As much as some folks may wish it, Scribd != PDF.