The railway is a Soviet triumph of man over nature, built in an inhospitable land of extreme winter cold and mosquito-cloud filled summers.

BBC: A train to nowhere in Siberia

Their solution was to yield most of the canvas or panel to the gray, fog-and cloud-filled sky (curator Emilie Gordenker, director of the Mauritshuis, calls them "our Dutch mountains"), with blue openings torn into the gray here and there so that spots of sunlight could illuminate parts of the land or water below.

WSJ: de Young Museum: More Than Just the Girl

The silver lining in this carbon-filled cloud is that executives at firms such as Gap are using technology to cut the number of trips they make in order to save money.

ECONOMIST: Corporate social responsibility

Far off the main roads, tourism here is even sparser than the route from Lushoto to Mtae, but the violet-covered hills and butterfly-filled cloud forests do lure some visitors, who can access the park independently or through a tour.

BBC: A tranquil slice of Tanzania

The IDC study also confirms that almost two-thirds of enterprises are planning, implementing or using cloud computing, and lack of training, certification or experience are the top three reasons why cloud positions are not filled.

FORBES: Almost 1.7 Million Cloud-Related Jobs Went Unfilled in 2012: Estimate

The competition in Cloud services and hosting is filled with companies that have deeper pockets than does Rackspace, including Amazon, Microsoft, and IBM, and the service integrators, respectively.

FORBES: Rackspace: Bull and Bear Cases