[Geowanking] BlockChalk - simple API for proximity-based messaging

Stephen Hood stlhood at blockchalk.com
Sat Jan 9 10:34:56 PST 2010


Hi again everyone --

FYI, we just launched a native iPhone app for BlockChalk.  It's in the  
App Store, here: http://itunes.apple.com/us/app/blockchalk/id346823470?mt=8

BlockChalk is now native on iPhone and Palm webOS, and works in the  
browser on Android and iPhone via HTML5/Gears.  We have native apps  
coming for Android and Blackberry next.

Please let me know if you have any thoughts about ways to use  
BlockChalk or improve our API (http://blockchalk.com/developers).   
Would really appreciate and value any feedback from this group!

Happy New Year,
--Stephen




On Dec 17, 2009, at 9:46 AM, Stephen Hood wrote:

> Hi everyone --
>
> I've been lurking here for a while but now have something relevant  
> to share and would love your feedback...
>
> I've created a system for proximity-based messaging called  
> BlockChalk.  Point your iPhone or Android browser to http://blockchalk.com 
>  to see the HTML5 mobile web client.  There's also a webOS app for  
> Palm Pre/Pixi and an iPhone app on the way (currently in Apple's  
> approval process) which adds a bunch of capabilities.
>
> There is a very easy API (http://blockchalk.com/developers) that  
> gives you full read and write access to the underlying platform.
>
> BlockChalk lets you leave messages where you're standing and view  
> messages left by other people in your immediate vicinity or current  
> neighborhood (as calculated from your mobile device's GPS coords).   
> The goal I'm building towards is enabling conversations and  
> transactions between neighbors while retaining control over how much  
> identity and location information is shared at any given time.   
> Right now the system is anonymous (you don't even need to sign up)  
> and it deals less with exact locations and more with regions of  
> proximity, like "this block, "within a few blocks", and "in the  
> Mission District".
>
> So far the main consumers of our API have been our own native client  
> apps, but we're starting to see outside use and want to amplify it.   
> I'd love to hear what you guys think and any suggestions or ideas  
> you might have.
>
> Thanks and enjoy!
>
> Stephen Hood
> BlockChalk
>
>
>

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