All public cloud spending estimates significantly undervalue the market, because all miss just how much developers are spending without telling anyone.
Cloud computing is big. It's so big that major analysts are scrambling to outdo each other in sizing the public cloud computing market. IDC, for example, says public cloud spending reached $47.4 billion in 2013, and it will jump to $107 million by 2017. Forrester, not to be outdone, believes the public cloud market hit $58 billion in 2013, and it will top $191 billion by 2020. Gartner, going for gold, thinks the public cloud services market is already worth $132 billion, and it will explode to $244 billion by 2017.
Full story