| Visa to roll out mobile payment system that lets people add a microSD card to their smartphones to make payments. It touts the system as safer than using a plain old credit card. Online payment service was down for more than an hour today, preventing customers from accessing accounts but apparently not affecting merchants' ability to use PayPal's API. At an evening affair in Silicon Valley, the president discusses jobs, education, and R&D with bigwigs including the CEOs of Apple, Facebook, Google, Netflix, and Cisco. Twitter users are an increasingly attractive target for online ne'er-do-wells. One company is filtering tweets to analyze the problem--and help develop safeguards. The New York Times calls shenanigans on The Wall Street Journal's report that Apple is working on making a smaller iPhone. Instead, Apple might make the phone more affordable, according to Times sources. The additions to the social network's relationship status options are a small update to the site but a powerful statement on the company's behalf. Gen. Keith Alexander, who also runs the U.S. Cyber Command, says it's time to "refine the roles of government and the private sector in securing this nation's critical networks." | | In this week's column, I share some thoughts about what I saw at Mobile World Congress and offer advice about whether to ditch Verizon's 3G wireless broadband for Sprint's 4G service. | | | Featured item | | |   | | | | President Obama names Intel's Paul Otellini to his Council on Jobs, Motorola moves up the launch for its Atrix 4G smartphone, and a pilot program will see if GPS can keep students in school. | |
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