Resource topic hub

SMS, WhatsApp, push & LinkedIn resources.

Give SMS, WhatsApp, push, and LinkedIn a job email cannot do better, with consent and collision rules.

40 new long-form guides in this cluster, plus core resources already on the site.

Core guides

Start with the established playbooks.

Core guide

SMS marketing for retention

Existing Retain Inc resource in this cluster.

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Core guide

LinkedIn marketing for B2B pipeline

Existing Retain Inc resource in this cluster.

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Core guide

SMS marketing services

Existing Retain Inc resource in this cluster.

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Core guide

LinkedIn marketing services

Existing Retain Inc resource in this cluster.

Read guide ↗

New topic library

Browse sms, whatsapp, push & linkedin by subtopic.

SMS

SMS, WhatsApp, push & LinkedIn · SMS

SMS consent language

A practical guide to ask for texts in words people understand.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS quiet hours

A practical guide to do not text people in the middle of their night.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS frequency caps

A practical guide to keep texts rare enough to remain useful.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS vs email: job definition

A practical guide to give text a job email cannot do better.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS for shipping updates

A practical guide to use text for time-sensitive tracking when permitted.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS for appointments

A practical guide to confirm and remind without a sales pitch.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS for cart recovery ethics

A practical guide to text high intent only with consent and restraint.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS keyword opt-in

A practical guide to make JOIN/STOP/HELP work as promised.

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SMS, WhatsApp, push & LinkedIn · SMS

SMS HELP and STOP handling

A practical guide to honor STOP immediately across systems.

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SMS, WhatsApp, push & LinkedIn · SMS

Short code vs 10DLC for SMS

A practical guide to choose sending identity that matches volume and use.

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WhatsApp

SMS, WhatsApp, push & LinkedIn · WhatsApp

WhatsApp Business for retention

A practical guide to use WhatsApp as a permissioned service channel.

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SMS, WhatsApp, push & LinkedIn · WhatsApp

WhatsApp session vs template messages

A practical guide to know when a customer window is open.

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SMS, WhatsApp, push & LinkedIn · WhatsApp

WhatsApp opt-in practices

A practical guide to collect WhatsApp permission separately from email.

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SMS, WhatsApp, push & LinkedIn · WhatsApp

WhatsApp for order support

A practical guide to solve delivery and product questions where people already write.

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SMS, WhatsApp, push & LinkedIn · WhatsApp

WhatsApp vs SMS for service brands

A practical guide to pick the channel customers actually use and permit.

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Push

SMS, WhatsApp, push & LinkedIn · Push

Push notification permission

A practical guide to ask for push when the value is obvious.

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SMS, WhatsApp, push & LinkedIn · Push

Push vs email for app brands

A practical guide to use push for time-sensitive in-app jobs.

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SMS, WhatsApp, push & LinkedIn · Push

Push frequency and fatigue

A practical guide to notice when people silence you.

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SMS, WhatsApp, push & LinkedIn · Push

Abandoned browse push ethics

A practical guide to do not follow people around the internet via push.

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SMS, WhatsApp, push & LinkedIn · Push

Transactional push vs marketing push

A practical guide to keep security and shipping distinct from promo.

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In-app

SMS, WhatsApp, push & LinkedIn · In-app

In-app messaging vs email

A practical guide to use in-app when the person is already working.

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LinkedIn

SMS, WhatsApp, push & LinkedIn · LinkedIn

LinkedIn content system for pipeline

A practical guide to publish useful expertise on a cadence a team can keep.

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SMS, WhatsApp, push & LinkedIn · LinkedIn

LinkedIn connection and CRM handoff

A practical guide to log real conversations without fake intimacy.

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SMS, WhatsApp, push & LinkedIn · LinkedIn

LinkedIn InMail ethics

A practical guide to write like a person with a reason.

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SMS, WhatsApp, push & LinkedIn · LinkedIn

LinkedIn retargeting and CRM

A practical guide to coordinate ads with known relationships.

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SMS, WhatsApp, push & LinkedIn · LinkedIn

LinkedIn to email nurture handoff

A practical guide to move a warm conversation into permissioned email.

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Social DMs

SMS, WhatsApp, push & LinkedIn · Social DMs

Social DMs as an owned channel

A practical guide to treat DMs as service, not a loophole around email law.

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SMS, WhatsApp, push & LinkedIn · Social DMs

Messenger and consent

A practical guide to do not assume a comment is marketing permission.

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Orchestration

SMS, WhatsApp, push & LinkedIn · Orchestration

Channel preference capture

A practical guide to ask how people want to hear from you.

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SMS, WhatsApp, push & LinkedIn · Orchestration

Omnichannel orchestration without spam

A practical guide to coordinate channels so the story is one story.

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SMS, WhatsApp, push & LinkedIn · Orchestration

Channel collision matrix

A practical guide to map which journeys may run together.

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SMS, WhatsApp, push & LinkedIn · Orchestration

Quiet hours across channels

A practical guide to apply rest rules to SMS, push, and chat—not only email.

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SMS, WhatsApp, push & LinkedIn · Orchestration

High-urgency channel selection

A practical guide to match urgency to permission and impact.

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SMS, WhatsApp, push & LinkedIn · Orchestration

Low-urgency channel selection

A practical guide to put low-urgency stories in email or in-app, not SMS.

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Channel mix

SMS, WhatsApp, push & LinkedIn · Channel mix

B2B owned channel mix

A practical guide to combine email, LinkedIn, and human tasks without piling on.

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SMS, WhatsApp, push & LinkedIn · Channel mix

DTC owned channel mix

A practical guide to use email as the spine; SMS and push as exceptions.

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SMS, WhatsApp, push & LinkedIn · Channel mix

Service business owned channel mix

A practical guide to pair reminders on SMS with richer email context.

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Measurement

SMS, WhatsApp, push & LinkedIn · Measurement

Measuring SMS incrementality

A practical guide to test whether texts added outcomes email would not.

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SMS, WhatsApp, push & LinkedIn · Measurement

Measuring push fatigue

A practical guide to watch disables, not just tap rate.

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Operations

SMS, WhatsApp, push & LinkedIn · Operations

Owned channel policy document

A practical guide to write what each channel may be used for.

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Apply the library

Turn the next useful idea into a working system.