Some where angry, some were elated, and some were mostly just confused.
One thing's for sure though: everyone was talking.
The event, streamed live to an estimated audience of more than 100,000 online viewers, highlighted the new "timeline" profile, which looks like an online scrapbook of your social life. The redesign also also featured the new mobile interface, new kinds of social interactions, new ways to discover content and more.
For more of our comprehensive coverage on f8, take a look at our guide to the 7 most important announcements from the event. Then, get familiar with the new profile by checking out our tour of the radical redesign.