A number of billboards were put up along the Pacific Highway today as part of the campaign to help find missing toddler William Tyrrell.
Ghinni Ghinni and Coopernook were selected as key locations, with more than 7,000 cars driving by daily.
The move is the latest strategy enlisted by the child protection group Bravehearts, in its bid to help find the little boy in the Spiderman suit.
William went missing from his grandparents home in Kendall on September 12 last year.
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