Groupon announced the launch of a new online appointment calendar called Groupon Scheduler. It’s designed to provide Groupon merchants with an easy way to manage their schedules and accept bookings from customers. “Groupon Scheduler grew out of technology from our …

BlackBerry makers Research in Motion (RIM) have acquired Tungle for an undisclosed sum. Tungle is a cloud-based calendar and scheduling service, which works with Google, Yahoo, Facebook, TripIt, Plancast, Outlook, iCal, LotusNotes, LotusLive, and WindowsLive. RIM VP, Collaboration and Social …

Startup Meme and Chris Pirillo report that quite a few people have made login credentials of theirs public via Google Calendar event descriptions, which can now be found by searching for public events for e.g. “username password”.

LeAnn Prescott from Hitwise has an analysis of online calendars that has been getting a fair bit of traffic and commentary, since it shows that Google’s calendar – which has only been around for about six months – is growing strongly in “market share of Internet visits” (as Hitwise describes their proprietary measurement of traffic).

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