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Press the button. Flick the switch. Open the file folder. They're all terms we immediately know, but the context is a lot more complicated in a software-centric world. When you hear them, do you think first of handling objects in the physical world or using an app? Your answer will say a lot about how you will respond to interface design. More developers need to think about how their target market will react to this question.

Indoor-positioning technologies that can be used by retail establishments and other businesses to track and market to consumers are attracting growing scrutiny, as evidenced by a letter sent from Sen. Al Franken (D-Minn.) to Euclid, which markets Wi-Fi-generated shopper analytics.

Shares in TomTom have risen sharply after an analyst at Rabobank International said Apple could be preparing a takeover bid. The thinking is that Apple could bid for TomTom to quickly improve its maligned Apple Maps service.

Verizon Wireless launched a global version of its VZ Navigator service that lets travelers in North America and Western Europe find locations and access turn-by-turn directions. The service initially