A few months ago, Twitter let it be known that it was working on a geo-tagging API. It has allowed this semi-official announcement to create some buzz and hype, and some of us wondered when it would ever be released. The wait is over, and Twitter have announced that the geo-tagging API is now live for all users.

The announcement can be found here. Twitter have also published best practices such as opt-in and full disclosure.

In a few weeks, we shall be revisiting the API with a technical overview and how-to.

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Twitter aware of lat/long reversal bug
written by Richard Marsden, November 30, 2009

There have been early reports that the GeoRSS longitude & latitude entries are reversed in Twitter's implementation. Oops!!

I haven't seen an official announcement yet, but Twitter have already updated their docs noting the error and that it will be fixed in v2 of their API. The updated document entry is at: http://apiwiki.twitter.com/Twi...es update.

The quote in question is:

Unfortunately, the coordinates that Twitter renderers are reversed from the GeoJSON specification (GeoJSON specifies a longitude then a latitude, whereas we are currently representing it as a latitude then a longitude. This will be repaired in version 2 of the Twitter API)

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