If you've noticed seemingly random numbers pop up while watching the Lions tour on television, don't be alarmed - unless you've been illegally streaming the action.
Sky spokeswoman Kirsty Way confirmed the technique, which is one of a number of measures to deter illegal streamers, to the New Zealand Herald.
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"These numbers are one method we use to detect pirated streams and where they come from," she said.
"That is as much as I will say, as we don't want to give our whole game away.
" We've took down many YouTube and Facebook streams".
She added: "around 10 people" were "likely to face court with the evidence we have".
