Jan
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Wed
25th
Sync Multiple Google Calendars on WP7
Google sync on Windows Phone 7.5 works great, with one notable exception: your shared calendars aren’t automatically recognized.
Fortunately this problem is solvable on Google’s end, as detailed in this post. Basically, you tell Google to sync specific shared calendars with your WP7 device, and you’ll be all set. Worked for me.