Email sent from a desk does not equal email sent from a mobile device.

When you send an SMS text or chat message people understand the casual, quick nature of the medium, and therefore expect a level of casualness when it comes to spelling full words (u versus you, ppl versus people) and forming complete thoughts and sentences. Just as spoken language is conversational, chat and SMS afford a certain level of laxness.

Email has evolved. There was a time when typing in all lowercase (hopefully you never typed in all caps) was normal enough for email. But since it has become the mainstay of corporate communication, it has dressed up accordingly. Although emoticons occasionally find their way into corporate emails, cute misspellings and abbreviations don’t.

New etiquette is needfully emerging. How do recipients know you’re sending an email from a device versus your desktop? When I’m writing a note via email from a mobile device, to a work colleague, must I type in complete thoughts and sentences? Must I capitalize and punctuate?

When I first saw Apple’s “Sent from my iPhone” default signature I thought it just let me show off my cool quotient with an iPhone reference. What they really did was create a disclaimer: forgive the typos and the informality.

(I thought about actually posting this from my phone, but blogging requires a certain level of formality that I wasn’t prepared to take on with a mobile device. That would be more appropriate for my microblog.)

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We like when the mainstream press highlights the right things. It’s a signal that the non-insiders might get a sense of the pains and frustrations felt in the mobile industry. Who else but Walt Mossberg could deliver it to the bad guys with WSJ credibility. Mossberg’s axis of evil includes Steve Jobs’ inked deal with “the devil,” (read the piece to see who that is), it includes 1970s-era AT&T, and the top US carriers whom he calls collectively the Soviet ministries.

My only suggestion for Mr. Mossberg is that he up the production value of his video studio. He speaks with the eloquence of someone who has a speech writer (presumably himself) but his close-up cam, with low quality video comes off a bit like a YouTube “video response.” But, hey, maybe that’s the best way to get heard these days.

Read or watch Mossberg’s Free My Phone rant at All Things D.

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Josh Ulm, Director of User Experience, Adobe spoke at the company’s annual MAX conference in Chicago.

I especially liked his before and after review of Yahoo! Go and Google Maps for mobile.

His comments on “Demonstrating the Brand” were right on — especially his point ab