Security without making it unusable · Proposed air date:
Teresa returns to report that Dr. Dave's earlier help worked. Her experience lets him explain that protection can become so interruptive that ordinary use suffers, while demanding perfect security, perfect seamlessness and total quiet at once is impossible; a workable system must find a middle path.
This excerpt runs from 4:25.890 to 7:41.950 within its preserved source recording.
Proposed recording date: 2009-02-21. The exact broadcast date may differ.
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