Vision Correction: The wearing of zero- or very-low-strength soft (daily disposable) contact lenses behind hard lenses if the hard lenses alone are uncomfortable or damaging to the cornea.
Piggybacking (security), when an authorized person allows (intentionally or unintentionally) others to pass through a secure door when they enter.
Telecommunications
Piggybacking (data transmission), a bi-directional data transmission technique in network layer, sending data along with ACK called Piggybacking
Piggybacking (Internet access), obtaining wireless access by bringing one's own computer within the range of another subscriber's service
Topics referred to by the same term
This
disambiguation page lists articles associated with the title Piggybacking. If an
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