Canadian marketers are making a last ditch effort to push opt in, in order to comply with new anti spam legislation which went into effect this week. The companies are sending out emails with subject lines like "Urgent Action Required," encouraging people on their lists to give express consent to the brand to continue to send them emails. The new laws make it stricter for brands to send marketing email to consumers than in the past. The latest regulation requires express consent, rather than simply implied consent.