Description from extension meta
Chrome Extension for adding GDC sessions to your Google Calendar in one click!
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Description from store
The GDC Calendar Tool allows users to quickly add GDC sessions to their personal Google calendars. This extension adds two buttons to GDC session pages that can add the session to your Google calendar with just a single click.
The events added to your Google calendar automatically have the proper session title, description, date, location (at Moscone), and URL for the session.
You can customize what calendar events get added to as well as what colors are used to mark the events by using the extension's options menu.