Focusing on the theme “Building Blocks for Better Web Applications,” Google Developer Day will explore innovative uses of Google developer products to create and enhance applications, integrate with Google services and reach millions of users on Google and beyond. The following are my list of 10 Cool Things about Google's planned Developer Day!

1. Google offices in ten countries will host Google Developer Day
2. It's a global event featuring workshops, keynotes and breakout discussions on Google’s APIs and developer tools.
3. Google Developer Day will explore innovative uses of Google developer products to create and enhance applications
4. Google Developer Day is an opportunity for them to connect with one another, learn the latest techniques and have their questions answered by Google's developer product teams
5. Google Developer Day will take place at Google offices and offsite locations in Mountain View, Sao Paulo, Madrid, London, Paris, Hamburg, Moscow, Beijing, Tokyo and Sydney. The proceedings will begin in Sydney on May 31, 9 a.m. AEST and end 27 hours later in Mountain View on May 31, 7 p.m. PDT.
6. Ssessions in topic areas will include such topics as, “Developing with Geo: Google Maps, Google Earth and SketchUp,” “Tools for Better Web Development: The Google Web Toolkit, Open Source and Other Developer Initiatives” and “Mashups and More: AJAX, Google Gadgets and the Google Data APIs.”
7. Confirmed presenters include Guido Van Rossum, Google software engineer and creator of the Python programming language (Beijing); Chris DiBona, Google open source programs manager (London); Mark Stahl, Google data APIs tech lead (Madrid); Bruce Johnson and Joel Webber, co-creators of the Google Web Toolkit™ (Mountain View); Bret Taylor, group product manager for Google developer products (Mountain View); Lars Rasmussen, Google Maps™ senior engineer (Sydney); and Greg Stein, Google engineering manager and chairman of the Apache Software Foundation (Tokyo).
8. Can't make it? Google will offer live streaming webcasts from its Mountain View office and provide a YouTube™ channel with videos of Google Developer Day sessions around the world
9. Register and grab more info at http://www.google.com/events/developerday
10. Seats are limited and the exact location in the US will be: Google, 1600 Amphitheatre Parkway, Mountain View, CA - see also http://www.google.com/maps?q=1600+Amphitheatre+Pkwy,+Mountain+View,+CA+94043&ie=UTF8&om=1&z=16&iwloc=addr

A scene from Google GeoDeveloper Day 2006 - you never know what you'll wind up doing while at the Googleplex! (Image Credit: Glenn Letham - GISuser.com)

FYI, yours-truly attended the first Google "Geo"Developer day at the Googleplex last year - I highly recommend you try and take in this year's event! See my pics on the GISuser Flickr