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Understand integrated marketing, step by step

Plain-language foundations, primers and guides on integrated marketing communications, with a source for every claim. New here? Begin with the short reads below.

Glossary · 118 terms Every source we cite Toolkit

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ExplainerApplied

Consent for email, SMS and messaging: CAN-SPAM, the TCPA, CASL, PECR and WhatsApp

Which rule decides whether you may send a marketing email, text or WhatsApp message, how the US opt-out model differs from the opt-in rules of Canada, the UK and the EU, where the TCPA stands in 2026, what the platforms add, and a consent checklist to run before the next send. General information, not legal advice.

7 min read16 October 202615 sources

ExplainerFoundation

Email 101: permission, the inbox and the rules that guard it

Email marketing reaches people who chose to hear from you, on a list you own. Whether it works depends on three things: consent that meets each country's law, authentication that Gmail, Yahoo and Outlook now require from bulk senders, and messages relevant enough that readers stay subscribed.

8 min read16 October 202617 sources