The term “smartphone addiction” exists for a reason.
Without realizing it, many of us spend long hours staring at our phone screens.

When we unlock our phones, we are met with colorful apps,
photos and videos, news updates, and countless messages.
It is convenient and entertaining, but it is also a world that constantly demands our next reaction.

Most Communication Is Designed for Replies

Most modern communication tools are implicitly designed with replies in mind.

When a message arrives,
we feel that we need to respond.
If it’s marked as read, the pressure increases even more.

In exchange for convenience,
we accumulate small psychological burdens:
“I should reply,” “I’ll reply later,” “How should I respond?”

The very existence of the term “seen but not replied” reflects that pressure.

SMS Does Not Ask for Conversation

So what about SMS?

In its early days, SMS did not serve as many roles as it does today.
In fact, before modern messaging apps existed, people often exchanged back-and-forth replies via SMS itself.

However, as digital devices and communication tools have evolved,
SMS has taken on a completely different position.

It has become a message that does not ask for conversation.

Today, SMS is most commonly used for purposes such as:

  • Authentication codes
  • Appointment reminders
  • Completion notifications
  • System alerts

These messages do not require a reply.
No stickers. No reactions. No acknowledgment.

Just one thing:
receiving the necessary information at the necessary moment.

Why SMS Notifications Don’t Feel Annoying

When we hear the sound of an incoming SMS,
we rarely feel tense.

Rather than thinking, “I need to reply,”
we think, “What kind of notification is this?”

We enter an authentication code.
We see that something is ready and take action.
We remember an appointment and check our schedule.

SMS does not stop our lives.
It quietly blends in to help us move forward.

The Kindness of Not Requiring a Reply

Social media and chat tools connect people
and deepen relationships.

SMS, on the other hand,
does not try to expand relationships.

It does not seek conversation.
It does not demand emotion.
It focuses solely on delivering information.

That is why
no reply is required.
No read receipts. No reactions.

And yet,
the message is clearly delivered.

Why SMS Continues to Be Used

As digital tools continue to multiply,
one reason SMS has not faded away
may be this lack of psychological burden.

It is convenient.
It reliably reaches its destination.
And it does not take time or emotional energy from the recipient.

Sometimes, the kindest message
is the one that does not require a reply.

That may be the true value of SMS as a communication medium.

Aiko Yokoyama

Aiko Yokoyama

Customer Success and Operations

Joined January 2014. Experienced as a clerk in Foreign Trading company, started and maintained an online supplement store. Lived in overseas for 15 years. Looking forward to communicating our customers with the broad view based on those experience.