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Bill Sodeman writes about management, mobile computing and information systems

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Entries from December 2007

The mobile office in Honolulu

ism tech

Posted Sunday, 9 December 2007

There’s two articles in today’s Honolulu newspapers about local Internet usage.

An article in the Honolulu Advertiser’s business section reports that Honolulu residents tend to spend more time on the Internet than the average US Internet user.

Oceanic Time Warner’s Road Runner cable modem service recently celebrated its 10th anniversary in Honolulu. The company reports that Honolulu is one of its most mature markets, with 220,000 customers. Many customers use residential broadband service to work from home.

Meanwhile, the lead story in the Honolulu Star-Advertiser’s business section examined the coffee shop office. At the bottom of the article, there’s a nice set of netiquette tips for public WiFi users. One major item in this list – people who buy little or nothing from a coffee shop while they use the free WiFi. Squatters beware!

Sadly, there wasn’t a single meaningful mention of security and privacy issues in either article. I recommend that anyone who uses their computer in a public place buy and use a privacy filter. This is a thin piece of polarized plastic that completely covers the screen. The filter restricts the viewing angle, making it difficult for anyone but the user to read the screen. 3M has a nice selection of filters that will fit most laptops. The Gadgeteer has a good review here.

The next two pictures demonstrate how a privacy filter works, by comparing a bare screen  on the left with the filtered screen on the right.

Laptop with privacy filter is on the right

Privacy filter has obscured the image on the right

More public WiFi services are offering encrypted sessions, but it’s a good idea to use a VPN (virtual private network) to encrypt traffic. For companies whose employees tend to use public WiFi, a VPN is an easy expense to justify. Residential users can also set up their own VPN with a router, open source software or web-based services like GoToMyPC.

This article mentioned Kokua Wireless, a free municipal WiFi service that covers my office building in downtown Honolulu. Kokua’s coverage of downtown Honolulu is quite good, as shown in this screen shot from their mapping application.

Residential broadband providers have joined the battle for customer loyalty. Road Runner has Speed Zone, its own public WiFi network for its residential and business customers. Hawaiian Telcom partnered with Skywave to offer HT Spots, its own attempt at satisfying this key success factor. Users must have be a broadband subscriber to use these either of these services.

Kokua Wireless coverage in downtown Honolulu

In the last few months, I’ve noticed more people around town using mobile data cards from Sprint, AT&T and Clearwire. These devices are more expensive and more secure than some public WiFi connections. Both HawTel and Oceanic offer encrypted public WiFi connections, of course.

Tags: at&t, Chinatown, Clearwire, computer, free, Hawaii, Honolulu, Internet, key-success-factors, ksf, mobile, network, office, privacy, security, Sprint, Time-Warner-Cable, USA, VPN, WiFi, WiMax

Wikipedia co-founder recasts his advice to students, educators

ism tech

Posted Friday, 7 December 2007

Wikipedia co-founder Jimmy Wales offered new advice to students and educators at a London conference. The BBC and the Chronicle of Higher Education report that Wales is backing off his previous advice – namely, university students should not use Wikipedia as a reference.

His new advice is somewhat similar to my 24 November article. Wales suggests that Wikipedia is a good “stepping stone” to more authoritative secondary references on topics. Raid the reference list of a good Wikipedia article, but always go beyond that list and do additional reading and research.

As for me, I still don’t want students making direct citations to Wikipedia articles in their assignments.

Tags: authority, education, research, student, university, Wikipedia, writing

CompUSA to sell or close its stores

all

Posted Friday, 7 December 2007

According to a report on the Honolulu Advertiser’s web site and the Associated Press, CompUSA has been purchased. The buyer plans to sell or close the technology retailer’s 103 stores, including both Oahu locations, in early 2008.

CompUSA closed 126 stores earlier this year, but the company kept spiraling downward as Internet and big-box retailers stole market share.

Get ready for one whale of a sale!

Tags: Amazon, Hawaii, Honolulu, USA

The Truth

all

Posted Thursday, 6 December 2007

The Truth

Originally uploaded by seanbonner

I found this photo on BoingBoing earlier today. Everything we read on the Internet isn’t true.

Tags: authority, research

Downtown courses will be held today

ism tech

Posted Wednesday, 5 December 2007

According to an announcement posted a few minutes ago on the university’s intranet and on the wireless notification system, classes will be held on the downtown campus today, Wednesday, 5 December 2007.An email announcement was sent out a few minutes later at 8:05 am.

I plan on working in my university office today as usual.

Classes are cancelled today at the Hawaii Loa Campus.

I’m reporting these announcements as a courtesy. I’m not an official news source, of course. The university sends announcements to local radio and TV stations, as well as the campus intranet.

Our recent windy weather has shut down many of the public schools on Oahu, according to this report in the Honolulu Advertiser. The Pali Highway is closed townbound.

Tags: Hawaii, Honolulu, Oahu, radio, university, USA, weather