Early-bird is now over, but you can still come, albeit for a little more.
|whole conference||one day|
|~ $840.00||~ $290.00|
As Friday is only a half-day - the afternoon is the Seaside web-framework sprint - if you buy Thursday at full (not early-bird) one-day price, you may attend Friday morning as well.
The registration app is pretty self-explanatory. If you have any questions, find the answers in the registration FAQ.