Estimate how much memory would be needed in order to store everything a person sees and hears in his or her lifetime. Assume a person lives for 70 years, but is asleep for one third of the time. Sound is to be recorded at stereo CD quality (Sound is stored on a CD in samples. Each sample has 32 bits (16 bits for each of 2 stereo channels) and there are 44,100 samples per second of music). Visual information is to be recorded from two cameras, each with 1 million pixels, 3 bytes per pixel, and 30 frames per second. Assume compression is then used to reduce the total amount of data to be stored to 10% of its original value. Show how you worked out your answer. What duration of recording could fit on a 500 GB solid state disk? Discuss whether current storage technology would make it practical to record a persons lifetime memories.