Archive for January, 2006

January 27th, 2006

Jon Udell’s InfoWorld Metadata Explorer

Permalink | Comment (0) ~ Internet

In a recent “post”:1 on Jon Udell’s blog, Jon introduced a new browser-based navigation application that he calls the Infoworld Metadata Explorer.


The Explorer looks like a normal web page, but it’s actually an application

Jon has been thinking and writing a lot on information discovery via navigation with posts/projects like his “Flickr advanced tag search”:4 Greasemonkey script, so if this kind of stuff interests you keep an eye on his “blog”:5.

Navigational discovery has some important advantages over the more common search paradigm. Navigation can easily revel relationships between data, enables quick filtering of datasets and is, well, visual. Since humans are very visual creatures (hence our color vision and relatively lousy sense of smell) navigational discovery can highlight information patterns that could never be discovered using search. The Metadata Explorer is proof of that. The kewl “Flickr Related Tag Browser”:2 is another.

I’ve been using del.icio.us to categorize my posts on Zoinger under the “ZoingerPosts”:3 user name, but I have been tardy in updating it recently, since I don’t get a lot of value from it. However, if I could easily create an application like Metadata Explorer for Zoinger, I’d be way more prone to keep ZoingerPosts up to date since it would make tags much more useful.

Search is great but it sure feels like navigational discovery is where search was in the mid ’90s.

Zoinger says, opportunity knocks.

[5(Jon's blog home)]http://weblog.infoworld.com/udell/

[4(Jon's advanced tag search in Flickr post)]http://weblog.infoworld.com/udell/2006/01/18.html#a1373

[3(ZoingerPosts on del.icio.us)]http://del.icio.us/zoingerposts

[2(Flickr Related Tag Browser homepage)]http://www.airtightinteractive.com/projects/related_tag_browser/app/

[1(Jon's post introducing the Explorer)]http://weblog.infoworld.com/udell/2006/01/23.html#a1375

January 27th, 2006

Nokia 770 Internet Tablet a Hit?

Permalink | Comment (0) ~ Internet - Mobile

The WSJ reported on 2006/01/05 that the Nokia 770 is a “hit” in an article entitled _Nokia to Churn Out 770 WiFi Device, A Clear Hit_. The article does not get quantitative, but says there is a two-week wait for the $359 dollar device. It’s got WiFi, a 4.1″, 800×480 screen, Bluetooth, some sort of tablet OS and no phone.


Not a phone.

I’d like to try one, especially to see how the browser handles different sites. The browser on my Dell Axim (Windows Mobile 2003 OS) pretty much sucks. Great for text sites or sites like Bloglines that have a special mobile version, but no Flash support, DHTML is a no go, lots of sites crash the browser, etc. etc.

Anyway, I think there is a big market for all sorts of internet devices… not just laptops, desktops and phones. Some are going to be general browsing devices, like the 770, or application specific, like some of the stuff I’ve been reading about “internet-aware universal remotes”:2.

Zoinger says, bring ‘em on!

P.S. I wrote this a while ago, but forgot to publish it. Doh!

Anyway, here’s a good “article”:3 over at InfoWorld on the 770. The article makes the point that although the 770 is not really a great consumer product, it’s a great way for Nokia to use open-source software to obtain a first-mover advantage and free product marketing (eg, having the open-source community guide product development through the projects they are working on).

P.S.S. Just the other day I discovered that my PDA’s browser has the option to display in “one column”. This improves the rendering of most sites and gets seems to get rid of the horizontal scrolling to view content on wide sites. Horizontal scrolling is painful if you have to do it on _every_ sentence.

[3(Inforworld article on the 770)]http://www.infoworld.com/article/06/01/02/73477_01OPopenent_1.html

[2(Gigaom on future remotes)]http://gigaom.com/2005/12/26/one-remote-fits-all/

[1($$Subscription-only WSJ Link$$)]http://online.wsj.com/article/SB113641683365137964-search.html?KEYWORDS=nokia&COLLECTION=wsjie/6month

January 20th, 2006

Unlocking Your Nokia Phone

Permalink | Comment (0) ~ Mobile

In yet another illustration of how screwed up the wireless industry is, it is very common, if not universal, for wireless carriers to “lock” the phones they sell. On GSM phones, the locking mechanism works by checking the brand of the SIM card against the phone’s internal carrier brand. If the SIM card brand does not match the phone’s carrier brand, the phone will not operate. I’m not really sure want the logic is behind locking phones (besides just annoying their customers), since even though carriers subsidize phones these subsidies usually require the customer to sign up for a long-term contract. That is, the carrier “earns back” the subsidy over the life of the contract.

As I wrote about “here”:1, I recently purchased a used Nokia 8390 that was advertised as a “Cingular phone”. Before the Nokia arrived in the mail, I realized that my SIM card was an AT&T card. Realizing that my soon-to-arrive phone was a Cingular phone, I knew that my AT&T SIM card would not work (never mind the logic that Cingular and AT&T are now one in the same). In order to prepare for the Nokia’s arrival, I ran down to the Cingular store and had my AT&T SIM card swapped for a Cingular SIM.

Of course, this took more than an hour since I had to wait in line _forfrigginever_ at the Cingular store. Wanna know why your wireless bill is so high? Just watch the action at any wireless retailer… it’s like the DMV in slow motion.

Needless to say I was _not_ pleasantly surprised when the Nokia arrived in its original *AT&T Wireless* packaging. Friggin’ classic.

Fortunately, it turns out that Nokia phones are pretty easy to hack. Hacking removes the carrier’s lock allowing it to work on any network (assuming the phone operates on the correct frequency). A quick search on the net brought me to this “article”:2 over on the O’Reilly site. Some of the links in this article are a little out of date, but the one that counts leads to the appropriately named “Unlockme”:3 site in the UK.

From the Unlockme site, I downloaded a copy of DCT4 Code Calculator 5.4 , inputed the required information and entered the calculated unlocking code into the Nokia. It worked like a charm! Now my new Cingular SIM would work with the Nokia.

One word of caution: You only get a few chances to enter in the correct code, so read through all of the instructions before trying to unlock your phone. Although the instructions aren’t very clear, carefully reading both the O’Reilly article and the information on the Unlockme site will probably get you safely to unlocked phone nirvana.

[3(Unlockme homepage)]http://www.unlockme.co.uk/unlockme.html

[2(OReilly how-to on unlocking your Nokia)]http://www.oreillynet.com/pub/wlg/3935

[1(Zoinger on buying a used Nokia)]http://www.zoinger.com/words/archives/2006/01/11/back-to-the-future-the-nokia-8390/

January 20th, 2006

Looking for Podcasts? Try Stanford iTunes

Permalink | Comment (0) ~ Podcasting

If you’re looking for some interesting podcasts, you might try “Stanford on iTunes”:1. I’ve been using it for a couple of months now and they’ve steadily been adding more and more content.


Stanford on iTunes homepage

Using iTunes as a distribution platform is a great way to get content out onto the internet in a way that “a lot”:2 of users are familiar with. However, there is one huge problem — it’s proprietary. Why is this a problem? Well, as Jon Udell “notes”:2, you can’t link directly to a file in the Stanford iTunes store (I tried, as suggested at the bottom of Jon’s post, to Right-Click -> Copy iTunes Music Store URL, but that command doesn’t seem to capture anything). And what’s even worse for people that don’t own an iPod, the Stanford audio files are encoded using Apple’s non-DRM .M4A file format. If you want to listen to these files away from your desktop, you’ve got to have a iPod or convert them to .MP3 (which is painful, but doable).

But even with the proprietary problems, there’s some great, free content available at Stanford on iTunes, so check it out.

[3(Jon Udell on Stanford iTunes madness)]http://weblog.infoworld.com/udell/2006/01/15.html#a1371

[2(Apples Q4 2005 earnings)]http://www.apple.com/pr/library/2006/jan/18results.html

[1(Stanford on iTunes homepage)]http://itunes.stanford.edu/

January 19th, 2006

MPEG-4 Video Codec — A Must for Your Digital Camera

Permalink | Comment (1) ~ Whatever!

Like a lot of people, I’m a freak about digital cameras. There’s just something really cool about digital’s instant gratification, no film hassles and shooting a bazillion shots/only keep the best. One of the features of most point-and-shoot digital cameras that is highly underrated is their ability to shoot video. With a modern camera you can capture video at 640×480 and 30 frames per second — video that looks darn good even on a large-screen TV.

One of the latest improvements to the usability of video is the use of MP4 “codecs”:1. It is _amazing_ how efficient “MP4″:2 codecs are. My current point-and-shoot camera is a Canon Powershot SD300 which captures video using a “motion JPEG”:3 codec. The “SD300″:4 is about a generation old, but still a great camera.


Canon SD300 — Old but still great

A friend of mine has a current-generation “Casio Exilim EXZ750″:5 which captures video in MP4.


Casio Exilim EXZ750 — New and kewl

To illustrate how efficient the MP4 is here’s a table showing the video capacity of the two cameras at 640×480/30-ish FPS:

table{text-align:center}.
| *Camera* | *Video Capacity (1 GB card)* |
|<. Canon SD300| About 9 minutes|
|<. Casio EXZ750|About 60 minutes|

As I mentioned above, MP4 codecs just makes video way more usable. Even in the era of cheap mass storage it’s just impractical to keep a lot of huge video files. To see how much more efficient the SD300 would be if it shot in MP4 instead of motion JPEG, I broke out a copy “Vdub”:7 (a kick-ass video transcoding program) and transcoded a short 45 second video to “DivX”:6. Here’s the results:

table{text-align:center}.
| *Codec* | *File Size (45 second video)* |
|<. Motion JPEG| 85 MB|
|<. DivX|5 MB|

The motion JPEG file is a *huge* file. It wouldn’t take many of these to fill even a 300 GB drive. However, the DivX file, while still kind of large, is very practical. In my experience, 5 MB is about the size of a high-quality encoded digital song — pretty reasonable. So next time you’re looking for a new point-and-shoot, make sure it videos in MP4.

Zoinger says, Canon… are you listening???

[1(Wikipedia on codec)]http://en.wikipedia.org/wiki/Codec

[3(Wikipedia on Motion JPEG)]http://en.wikipedia.org/wiki/Motion_JPEG

[2(Wikipedia on MP4)]http://en.wikipedia.org/wiki/Mp4

[6(Wikipedia on DivX)]http://en.wikipedia.org/wiki/DivX

[4(Amazons SD300 page)]http://www.amazon.com/gp/product/B00064O89Y/qid=1137703460

[5(Amazons Casio Exilim EXZ750 page)]http://www.amazon.com/gp/product/B0007KQWDC/qid=1137702996

[7(Vdubs homepage)]http://www.virtualdub.org/


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