Proposed term: "Cookie Crumbs"
Definition: "All those annoying, persistent cookies and related remnants that move into Firefox, like squatters, and then interfere with Java scripts or other app functions when on-line."
Feel free to reword the "definition"... and please don't beat up on me too severely. I just needed to take a break from the painful reality of getting bitten by too many bytes.
To quote Mark Twain, " If I can't be an example, then let me be a warning."

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