Google Calendar - Consistency and Reliability

Consistency and Reliability

As in other cloud computing applications, changes to Google Calendar are immediately visible to all users. This allows new features to be added without user action, but also makes it possible for new bugs to be rolled out to the entire user population, without users being able to refuse the update. On March 18, 2010, an update to add the Smart Rescheduler feature caused problems such as automatic invitations to nonexistent users being generated for events that were edited in secondary calendars. Despite negative user feedback, Google chose not to roll back the update, concentrating instead on providing a fix. According to user reports, the fix took effect five days later, on March 23, 2010.