*see cool hand luke

shaking the bush - a metaphor for talking on your mobile device
pre record a lengthy conversation
- two separate recordings required. one recording of your side of the conversation and another recording of the individual to whom you are speaking to.
determine how much time or conversation is necessary to vacate the area
recordings and mobile devices should be at two separate locations
make the call, press play then vacate the area.

to avoid being recognised by cctv cameras tilt your head \ or /
facial recognition software does not recognize the face of a tilted head