It can still be expensive and tricky, especially to set up a wireless network for sharing video.

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And San Francisco's tech adviser Chris Vien says there are challenges for Google or anyone who tries to set up a wireless network in San Francisco.

NPR: San Francisco Weighs Wi-Fi Plans

Barrett said Intel was committed to delivering IT access to the developing world, and was helping Sri Lanka Telecom set up south Asia's first long-range WIMAX wireless network, which we're presuming won't be a wind-up system.

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