Branching out from generic tips a little, sometimes, one has to smuggle things. Thinking outside the box is a great help in that. For example, to smuggle information, consider what all is data storage. Protein chains, DNA, the sequence of monomeres in a polymer chain all can be used to encode data, and not just the kind of information those things usually encode. Similarly, physical contraband material can be hidden in plain sight, for example pressed into freight pallettes…