Friday's final installation, raising the building's height to 1, 776 feet, makes One World Trade Center the tallest skyscraper in the U.S. and third-tallest in the world, although building experts dispute whether the spire is actually an antenna a crucial distinction in measuring the building's height.

WSJ: Spire permanently installed on WTC tower

The addition of the spire, and its raising of the building's height to 1, 776 feet, makes One World Trade Center the tallest structure in the U.S. and third-tallest in the world, although building experts dispute whether the spire is actually an antenna a crucial distinction in measuring the building's height.

WSJ: Spire permanently installed on WTC tower

The objective was building an instrument that allows measuring the soil losses in situ.

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The gliders will be used for seismic monitoring, measuring currents for rig building, and detecting oil seepage from drilling.

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This means improving digital scorecards, hiring more people, measuring results more effectively and reorienting the organization more around building deep engagement with consumers versus just impressions.

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To make social business a reality this year, these consulting firms will have to better organize themselves into a full menu of social business services from helping their customers establish a vision for social business to building adoption and providing enablement, as well as developing metrics and measuring impact.

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