Sarah was at the UN press conference partly to announce that she would be sending a team of wealthy donors to Chile later in the month, and partly to announce an internet networking initiative for mothers that she's been planning. (From these two articles):
Ferguson to deploy mothers' army to connect women | Top News | Reuters
Strong Aftershock Shakes Chile | News | English
Ferguson to deploy mothers' army to connect women | Top News | Reuters
Strong Aftershock Shakes Chile | News | English