It's good to stay up to date on development of Excel, PowerPivot and other technologies related to Excel development.
Do you have any favorite site (blog, forum or otherwise) that publishes news about the latest developments? And in general is geared towards Excel developers rather than to Excel users.
You can learn much new technologies from this forum, and there are much senior engineers sharing there experience.
And I don't think there will be forum or blog for news of Excel development.
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