previously you would have to leave the calendar, and enter the event details page to access information like attendees, location, description, and relevant links
A closer look at Google Calendar’s new design
Vivienne Kay

Not quite true, you can see all that information in the previous design, but it was too crammed.

One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.