Multiple apps of an ecosystem on a computer securely exchange encrypted data according to an information control policy of an enterprise, without allowing unauthorized access from outside of the ecosystem. The encrypted content key from the digital license is decrypted to produce the content key, and the public key of the first device is obtained therefrom. When the fluid pressure drops below a predetermined fluid pressure, the clutch element reengages the driveshaft to resume the pumping action. The vessels travel through a defined target area, creating a detailed survey of chemical and biological characteristics that affect grown.