So little industrial product has been developed to cater to Seattle's smaller users, even though they make up a majority of the tenant base, that finding new functional product is difficult in this size range.

Last year, the firm completed a domino of transactions of three Manhattan office buildings, signaling its indefinite departure.

The building's full-occupancy and high-quality ground-floor retailer made it an attractive proposition, says Madison's Josh Zegen.

The answer, according to Gartner? Too many organizations build their mobile websites without accurate knowledge about their customers' mobile preferences.