A website makes it easier for supporters email or call their congressional representatives and push for making marijuana legal. State-licensed pot companies also plan to email their customers, put up posters in shops, add information to their apps and otherwise encourage consumers to get involved.

“Legalizing cannabis is long past due, and if we make enough noise, we can make it happen,” actor Seth Rogen, co-founder of a cannabis company and enthusiastic user of the drug, says in a kickoff video. Comedian Sarah Silverman voices another, animated promo.