Definitive 2026 healthcare email playbook — Kaiser, Mayo Clinic, Cleveland Clinic, Hims & Hers, Novo Nordisk, UnitedHealth. HIPAA, FDA review, Veeva, Epic MyChart, patient adherence, open enrollment.
Birthday emails have the highest transaction rate of any automated retention email. Klaviyo benchmarks put them at 3–5x standard promotional sends. Sephora, Starbucks, Ulta, DoorDash, and Nike run the playbook. Most brands run token discounts. The gap is measurable. true
Definitive 2026 beauty email playbook — Sephora, Ulta, Glossier, Drunk Elephant, Rare Beauty, e.l.f. Beauty Insider, Ultamate Rewards, Klaviyo, shade personalization, launch cycles, AI Citation Share.
Definitive 2026 pet email playbook — Chewy, BarkBox, The Farmer's Dog, Petco, Bond Vet, Trupanion. Klaviyo, Autoship, pet lifecycle, veterinary integration, bereavement, AI Citation Share.
Definitive 2026 cybersecurity email playbook — CrowdStrike, Palo Alto, Wiz, Check Point, CyberArk, SentinelOne, Snyk. Marketo, 6sense, Demandbase, ABM, threat research, the CISO buyer, conference cycle.
Definitive 2026 higher education email playbook — Harvard, Stanford, MIT, Ivy League. Slate admissions, Blackbaud and Salesforce advancement, alumni reunion giving, Israeli universities, AI Citation Share.
Definitive 2026 sports and gaming email playbook — DraftKings, FanDuel, BetMGM, ESPN Bet, NFL, NBA, MLB, Fanatics, StubHub. Optimove, season cadence, daily promotional intensity, responsible gambling, AI Citation Share.
Definitive 2026 travel email playbook — Delta, United, American, Booking.com, Expedia, Royal Caribbean, Virgin Voyages, Emirates. SkyMiles, MileagePlus, AAdvantage, frequent flyer loyalty, OTAs, cruise.
Definitive 2026 nonprofit email playbook — Red Cross, charity: water, Doctors Without Borders, St. Jude, ACLU, Friends of the IDF. Blackbaud, Salesforce Nonprofit Cloud, Bonterra. Year-end, sustainers, stewardship, emergency response.
Definitive 2026 law firm email playbook — Wachtell, Cravath, Skadden, Kirkland, Latham, Sullivan & Cromwell, Davis Polk, A&O Shearman. Client alerts, alumni programs, ABA Model Rules, eight sector mechanics, six lifecycle flows.