From the Conference Info:

"Follow Slush live

Four stages from Slush will be streamed online. You will find the links to the streams on our front page during the event."

Edit:
12:20 - Thu [10 minutes]
Blue stage
The Unlike movement from Slush 2012 to Slush 2013
Speaker: Marc Dillon (Jolla)

and

13:20 - Thu [1/2 hour]
Yellow stage
Interview at Slush Studio
Speaker: Marc Dillon (Jolla)

It might be that the interview won´t be streamed unfortunately.