According to the Sony press release:
Industry research demonstrates that consumers consider durability and water resistance as important features when purchasing a smartphone. For example, a study conducted in Japan by Mobile Marketing Data Labo** highlighted water resistance in the top three most important features for smartphone buyers. In a recent poll.
Earlier this weeks stories circulated about Nokia's intents on making their Lumia line of smartphones water resistant using their own nanotech solution for such a feature. Weather or not those stories were accurate, the trend seems clear: protect
(The press and bloggers tend to report devices like the Xperia go and Xperia acro S as being "water proof." Given this mislabeling, it would be wise for vendors to be clear about the level of water protection. These are not device to go deep-sea diving with.)