Confronted with widespread destruction and marauding groups of young men, the distribution of aid in quake-ravaged Haiti is moving at an agonizingly slow pace. And pressure is mounting on Haitian authorities and the international donor community to get basic services up and running. Indeed, if poorly co-ordinated and managed, the global outpouring of sympathy could do more harm than good. With rising expectations from Haiti's sprawling shantytowns to its wealthier zones, a failure to deliver services could trigger major unrest.