South-East Asian ride-hailing firm Grab has a vast territory and broad ambitions. The only roadblock to leading the local ride-hailing market is America’s Uber.

With mobile and cloud computing reshaping the tech industry, markets are changing drastically or disappearing altogether. Competition is fierce. Among Silicon Valley’s corporate computing icons, very different strategies are emerging: Dell, now called Dell Technologies, just completed a $67 billion merger with EMC, a cloud computing and data storage company. Hewlett Packard Enterprise, which sold its software assets to British IT firm Micro Focus for about $8.8 billion, is getting smaller.

Apps comprise one of the fastest-growing software markets ever, generating billions in revenue in less than a decade. But the market has matured, as evidenced by lower usage and the dominance of a few major players. In contrast, chatbots – software that uses artificial intelligence to simulate conversation on messaging platforms – are an open frontier. As services based on AI improve, a new software ecosystem is emerging.

Providing digital maps for autonomous cars is expected to be big business. Google has a head start, but is meeting rivals at every turn.

The Uber CEO didn't have to step down, but investor pressure convinced him to go.