I've been using Keynote for presentations for a long time (Keynote's part of the iWork package from Apple and only runs on Mac OS X). Recently a friend told me about "Keynote Remote", an app that runs on the Apple iPhone and lets you control the presentation, even if you're not facing your computer. Sounds cool, and I downloaded it, but can't figure out how to get the two to talk together....

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I've been a mostly casual photographer for more years than I can count, starting with cheesy little cameras and working my way up through Konica gear to Nikon, the gold standard in the world of professional photographers. Today I take photos, sometimes paid, mostly just for fun, with a Nikon D90 tricked out with a full set of additional Nikon gear, about $2500 worth, plus or minus a few hundred dollars. The results are quite...

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A buddy of mine was showing me how on his iPhone he has a tiny percentage display of how much battery life he has left on his iPhone, in addition to the usual battery graphic that's displayed. But he wouldn't show me how to get it on my phone. Before I do something drastic to him, can you tell me how to get that to show up?...

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I've started reviewing Apple iPhone games and just had a game developer tell me that he'd like me to check out his game and sent me a promo code. I'm a bit baffled by this: how do I redeem a promo code for an iPhone application so that I don't have to pay for the game?...

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Okay, since you wrote about Spotlight on the new iPhone OS 3.0 (see How to work with Spotlight on your Apple iPhone 3.0), can you also explain to me how the heck the new Voice Memos application works? As far as I can tell, it's the only other new app included in Apple's iPhone 3.0 upgrade but I can't figure out how the heck it works......

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I finally updated the operating system on my second generation iPhone and the new OS is definitely cool - and faster - but I'm not too sure how to use Spotlight, the search feature that so many people have been talking about on Twitter and elsewhere. What does it really do for me and how do I get to it?...

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I've lost count of how many iPods I have here in the office, but it's at least a dozen of various sizes, shapes, and technologies, ranging from a first generation mini-hard drive unit with a firewire connector to the very latest Classic (that's an odd expression, isn't it?) In addition, I'm a big fan of my Apple iPhone, which among many other great features, is a splendid iPod in its own right and currently stores...

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This is just the weirdest thing: I got a new Apple iPhone after my old one broke and now when I hook it up to my iMac, it sees the phone, but I can't copy the photographs off the camera. In fact, there aren't even thumbnail preview images when I check with ImageCapture. What's going on?...

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Google is one of many companies that's been pushing the various capabilities of mobile devices and exploring how to make its vast storehouse of search data accessible in novel and interesting ways to people with the G-1 (the so-called Google Phone) and the Apple iPhone. The latest example is Google's introduction of its mobile shopping interface, officially called Google Product Search for Mobile. If you never search for products for sale - probaly to do...

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I love my shiny new iPhone, but I'm totally concerned someone will steal it, find all my personal information and steal my data.  What can I do to prevent it from being lost?...

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As part of my work, I take tons of screen captures on our test Apple iPhone for documentation, but my boss wants me to use SEO friendly file names and it's a huge hassle to rename them one by one. Is there some sort of script I can use on my Mac to fix things?...

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I don't know how it changed, but suddenly the default search engine on my Apple iPhone 3G is Yahoo, not Google. Now I like Yahoo as much as the next guy, but I really want Google back. How the heck do I change the default search engine in Safari??...

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Hi Dave. I'm hugely enamored of the Google Maps feature on my Apple iPhone, but there's one thing that baffles me: how do I reset the "current location" as a starting or ending point when I'm using the phone for directions?...

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What the heck, I got a note from Apple that I need to update my carrier data on the Apple iPhone? What's it all about?...

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i have a problem with my iphone 2g 8gb. the phone was working just fine, until i downloaded the call me application from cydia, i turned off & now it wont turn fully on, the screen only freezes showing the pineapple, tried pressing both buttons & holding the initiation one, nothing.. what can i do?? does it still work?...

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If you're highly mobile, if you travel to trade shows or just walk around campus all day, or perhaps if you take long plane flights, you already know that for all the great features of the Apple iPhone, extended battery life ain't one of them. Indeed, when we recently attended the 2009 Consumer Electronics Show it was by the end of the first day when it became apparent that the iPhone just didn't have the...

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I've gone through an amazing number of iPhone cases in the last year or so, between the ten or so I reviewed for the first gen iPhone and the cases I've been sent for the newer 3G phone. At first, my iPhone cases of choice were the rubberized ones like those from InCase Designs. (they call it a "form-fitting, injection molded material", of course, but to me it's just a fancy sort of rubber) Then...

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One of the many different gizmos we were given at the 2009 Consumer Electronics Show was a slick little portable speaker system from long-time audio component firm Altec Lansing. Imagine a device not much bigger than a 2-inch tall Coke can that you can plug into your iPod or laptop and you've got an idea of what the orbit M speaker looks like....

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I've been reading all of your extensive iPhone help on the site and found it a great boon to learning how to do things. I can't find any info on how to set up my phone to require a code be entered before it'll unlock, however. Do you have information on how to lock an Apple iPhone?...

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So I want an iPhone but AT&T’s service is just too expensive! There must be a better way! I have a Windows PC not a Mac, by the way. Do I need a Mac running Mac OS X to unlock my phone?...

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