The Australian market tumbled on Friday as all sectors closed the session in negative territory. ResMed surged 7% today after releasing first quarter results. Marley Spoon tanked 32% today after the company downgraded its full year revenue growth guidance. Mark Zuckerberg?s wife, Priscilla Chan has revealed that her husband often codes software with their two daughters aged 4 and 5 as part of their wind down bedtime routine.