CHART - Canada's cannabis stakeholders are are preparing to mark the fifth anniversary of recreational pot legalization Tuesday and worry the longer they wait for regulatory change, the more the industry will struggle. The industry places the blame on a cluster of problems including advertising restrictions that make it difficult to match customers with the right products. The Canadian Press has prepared a graphic looking at results from a poll on cannabis advertising from the International Cannabis Policy Study (ICPS). ; THE CANADIAN PRESS/Sean Vokey