• ShareKit : Drop-in Share Features for all iOS Apps
  Enabled sharing via Delicious, email, Facebook, Google Reader, Instapaper, Pinboard, Read It Later, Tumblr and Twitter in your iPhone/iPad apps with this open-source library. Has a customized UI, lets you share URLs, images, text, and files… even when offline.

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Update: Sold out!

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Upsies! is a great use of augmented reality: a game that lets you play keepie uppies on your iPhone using your own legs. Perfect for those of you who would not get any other exercise otherwise! :)

I just tested it out (in rather low light too, it's early morning here) while standing on my white throw-rug and it worked like a charm! It didn't work as well on my pine floor with bare feet so make sure you're standing somewhere with lots of contrast (or buy a white throw-rug, they're great!)

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3mobilebuzz.com contacted me before my talk at WebDirections @media to see if I wanted to try out the Three MiFi unit and blog about my experiences (don't confuse this with the MiFi that's sold outside the UK, which is known as the Novatel Wireless Hotspot and is notoriously difficult to find here.) Having just lost the T-Mobile USB dongle that had served me well for the last two years or so, I decided to take them up on the offer.

If you haven't had the chance to see or play with a MiFi, it's a portable WiFi hotspot that takes a SIM card and shares your mobile connection with up to 5 devices. It has a brushed-aluminium-and-white-plastic case that resembles a metallic version of Eva from Wall-E. The user interface consists of three little buttons on the side and a screen with five colored icons.

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In my post yesterday, I outlined how to present high-resolution images in web pages using CSS media queries to users using a high-PPI screen such the iPhone 4's new Retina display. I also mentioned that while this works for background images in CSS, the only solution currently for carrying out this same substitution for images linked to using the <img> tag is to use JavaScript. Finally, I suggested that browsers should natively support substituting high-resolution versions of images when they detect that the user is using a high-PPI display. In this post, I'd like to formalize that suggestion a bit.

Proposal for native browser support of high-resolution image substitution

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