One of most requested and discussed features of Mango release is “multitasking”. In Mango the multitasking term has slightly different meaning than standard (PC) multitasking. Multitasking for Mango phones means ability to execute the code while application in not active and play audio started by the application in a background. This is achieved by Background Agents. In addition to them Mango also introduces APIs to download and upload files while application is in the background and add Reminders...