标签：seansilcoff

In 2009, BlackBerry controlled half of the smartphone market. Today that number is one percent. What went so wrong? Losing the Signal is a riveting story of a company that toppled global gian...

标签：blackberrycompanyjacquiemcnishlosingriseseansilcoffsignalsignaltheuntoldstorybehindtheextraordinaryriseandspectacularfallofblackberrystory