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Case StudyConceptAI Interaction Design

Alex wasn't mad

Designing AI notification summaries that know when to let people speak for themselves.

Apple Intelligence summaries look equally sure of themselves whether they're summarizing a delivery or a feeling, and feelings are where they miss. I redesigned the lock screen around one rule: summarize facts, quote feelings.

Concept project. Not affiliated with Apple.
Role
Product Designer (solo)
Timeline
6 weeks
Type
Concept project
Tools
Figma, ProtoPie, Maze
01 · The moment

Jimmy's Tuesday, slide 4 of 31

Jimmy keeps their phone face-up on the conference table. Not to be rude. Just in case.

Jimmy reads texts the way some people read tea leaves: a period instead of an exclamation point can ruin an afternoon. Their partner, Alex, texts in all lowercase, sends four short messages instead of one long one, and ends most thoughts with 🙃.

It's 2:15 on a Tuesday. Quarterly planning, slide 4 of 31. Alex sends four texts in a row:

What Alex sent
ok so tonight is not happening lolnot mad, just wiped from workcall me later? love you🙃
What the lock screen said
Alex · 4 messagesUpset about tonight; wants to talk later

Jimmy spends slides 5 through 31 quietly drafting an apology for something they can't remember doing. By slide 19, Jimmy has the florist near Alex's office open in a browser tab.

At 3:00, Jimmy finally opens the thread and reads “not mad.” And “love you.”

Jimmy is a composite persona, built from experiences that came up again and again in research.

The summary kept the facts and lost the feeling.

02 · The problem

Every summary looks equally sure of itself

iPhone users who get summarized notifications can't tell at a glance how much a summary can be trusted. Every summary looks equally confident, whether it's a delivery update or an emotional message from someone they love. When a summary misses the tone, the lock screen gives no cue to check the original, so people either act on a wrong understanding or turn the feature off.

12 of 19people in the glance test didn't read italics as a sign that the AI wrote the line.
Root cause

Summarization was treated as a formatting problem: make it shorter, mark it in italics. For personal messages, it's a judgment problem.

Every thread gets the same treatment

A package update and “not mad, just wiped” go through the same process.

Every summary looks equally confident

Same glyph, same italics, same weight, whether it's a delivery time or a feeling.

The caution comes at setup, not in the moment

The strongest warning appears once. Jimmy agreed to it months ago.

Checking takes a step, and the summary disappears

Expanding the stack replaces the summary, so there's no side-by-side.

So the fix couldn't be another label. It had to be a decision about when to summarize at all.

03 · The result

Summarize facts. Quote feelings.

When a message carries emotion, the lock screen shows the sender's real words instead of a paraphrase. Facts still get summarized. Italics still mean the AI is talking; quotation marks now mean the person is.

Before
Alex · 4 messagesUpset about tonight; wants to talk later
After
Alex · 4 messages“not mad, just wiped from work” +3

Jimmy sends a heart, puts the phone face-down for the first time in months, and pays attention to slide 5. Slide 5 is about Q3 vendor consolidation. Some problems design can't solve.

Jimmy got an afternoon back. For Apple, the stakes are bigger.

04 · The impact

Summaries are how people meet Apple Intelligence

Summaries are the front door

People see them dozens of times a day. When summaries feel trustworthy, the rest of Apple Intelligence (Writing Tools, Siri) gets the benefit of the doubt.

Turning it off is hard to undo

People who switch summaries off rarely go back to Settings. Keeping them opted in keeps the daily habit.

Publishers are partners

Getting attribution right for news protects Apple's relationships with the organizations behind the headlines.

How success would be measured
TypeMetric
PrimaryRate of turning summaries off, per app and overall. Lower is better.
PrimaryRate of opening the original when the AI is unsure. Higher means the signal works.
SecondaryReports of inaccurate summaries per 1,000 summaries.
GuardrailTime spent reading notifications shouldn't rise meaningfully.

Proposed rollout test: today's design vs. quote mode, measuring the turn-off rate.

Jimmy's metric: apology texts sent for disagreements that never happened. Target: zero.

None of this starts from zero. Apple has been working on it since launch.

05 · What's already there

Apple already solved who wrote it

Apple has been improving this feature thoughtfully since launch. The current design already marks every summary: a glyph, italic type, a label and a warning at setup.

How the feature has changed
  1. Oct 2024iOS 18.1Summaries collapse notification stacks into one AI-written line.
  2. Dec 2024The BBC caseA summary combined several BBC News alerts into one inaccurate sentence about a real criminal case.
  3. Jan 2025iOS 18.3News summaries paused; all summaries set in italics; a beta notice at setup.
  4. Sept 2025iOS 26News returns with a setup warning, a “Summarized by Apple Intelligence” label and a way to report concerns.
  5. TodayiOS 27The lock screen design is largely unchanged.
Solved

Disclosure is solved. People can tell a summary was written by AI.

Next

Reliability is the next layer. People still can't tell whether a specific summary captured what the sender meant.

Apple made it clear who wrote the summary. The next question was whether to trust it.

06 · Research

How many Jimmys are out there?

01
Summary diary

A week of screenshots of summaries that stood out, good and bad.

02
Interviews

People who still use summaries, people who turned them off, and heavy texters.

03
Glance test

Lock screens shown for one second each: who wrote this, and how would it feel?

04
Competitive scan

How Pixel, Galaxy AI, WhatsApp, Gmail and Slack handle AI summaries.

What people said

“I read the summary, panicked a little, and then the actual text was like ‘lol all good.’”

“I turned them off for my mom after one made her sound furious about a casserole.”

“Honestly I didn't know the slanted text meant anything. I thought it was just the font.”

Illustrative quotes: composites written to reflect themes from the interviews, not verbatim.

How diary entries were tagged
Type of missToneFactCombined topicsSarcasmEmoji
ImpactNo effectDouble-checkedReacted to it
Key finding

Remember the 12 of 19? At one second, italics read as a font, not a signal. The disclosure was there. It just wasn't registering when it mattered.

So the job wasn't to label harder. It was to know when to hold back.

07 · Principles

Four rules for an AI that knows when to step back

01
Hold back first

The best summary is sometimes no summary.

02
Show confidence, not just authorship

Labeling is a start. Signal reliability too.

03
Let people speak for themselves

The sender's own words stay close at hand.

04
Caution in the moment

Put the signal where the decision happens.

Four rules, six ways to try them.

08 · Exploration

Six ways to keep Alex sounding like Alex

Step back

When the AI isn't confident, skip the summary and show the stack the familiar way.

Kept as the fallback
Quote, don't paraphrase

Pick the most meaningful line and show it word for word, in quotation marks.

Core of the solution
Show the AI's confidence

Mark low-confidence summaries with a softer glyph or a “tone unclear” tag.

Folded into quoting
Peek at the original

Press and hold to see the originals under the summary, side by side.

Supporting interaction
Per-person control

“Don't summarize Alex”, offered right when someone opens the originals.

The correction loop
One story per line

For news, never combine separate headlines into one sentence.

A rule for news
Ideas that didn't make it
IdeaWhy not
Confidence percentage (“73% sure Alex is upset”)Nobody wants a probability attached to their relationship. Jimmy would refresh it hourly.
Ask before summarizing each timeThat's a notification about a notification.
Mood emoji next to summariesAsks the AI to guess feelings more, the opposite of the goal.
Longer summariesIt's a lock screen, not a letter.

Four of the six made the cut, and they work better together.

09 · The solution

One decision, three ways to show a message

The rule: italics mean the AI is talking, quotation marks mean the person is talking. Two conventions everyone already knows from reading.

Decision flow
A new notification stack arrives…
Is it from a person?
No → summary, as today
Emotion, sarcasm, emoji-only or negation?
Yes, or not sure → quote
Plans and feelings mixed together?
Yes → hybrid
Summary of the facts
Jimmy's Tuesday, replayed

Back to Tuesday, 2:15. Same four texts from Alex, run through the new flow:

From a person? Yes, it's Alex.Emotion, emoji or negation? “not mad” and a 🙃. Yes, twice.So: Quote mode.

Jimmy reads “not mad, just wiped from work” on slide 4. The florist never gets a visit.

Summary
Facts, plans, high confidence
MessagesDinner moved to 7:30 at Nonna's; bring wine
Quote
Feelings, tone, low confidence
Messages“not mad, just wiped from work” +3
Hybrid
Mixed threads
MessagesPlans canceled tonight · “not mad, just wiped”

Always shown as written: verification codes, bank and fraud alerts, medical results. “Your account is probably fine” helps no one.

Peek at the original

Press and hold any summary to see the original messages right underneath, with the summary pinned on top.

“Don't summarize Alex”

People think about notifications in terms of people. The control appears right when someone opens the originals after a summary.

Edge cases
CaseExampleHandling
Sarcasm“great, love that for me”Quote. The original words at least keep the joke intact.
Emoji only“🙃”Quote, as sent. Interpreting 🙃 is between Alex and Jimmy.
Group chats12 messages from 4 peopleSummarize the topic, quote one person.
Negation“not mad”Always quote. This is exactly where Jimmy's afternoon went sideways.
Hard conversations“can we talk about us tonight”Quote, never paraphrase.
News3 headlinesOne per line, no combining.

A rule built on italics and quotation marks has to work for people who can't see either.

10 · Accessibility

Italics can't be heard. Words can.

VoiceOver · Summary

“Summary by Apple Intelligence: dinner moved to 7:30…”

VoiceOver · Quote

“Alex said: not mad, just wiped from work.”

Quote mode uses quotation marks plus a name, which hold up with Bold Text, large Dynamic Type and Reduce Transparency.

Peeking also works from the expanded view, for people who can't long-press.

One rule, one lock screen. Here's where it could go next.

11 · What's next

What I'd carry forward

Apple Watch

Even less room, even more need for trust.

Mac and iPad

Bigger screens, same rule: facts summarized, feelings quoted.

Sender-side controls

Let Alex choose to never be paraphrased.

What I learned

Sometimes the best AI design decision is knowing when to step back.

Jimmy's phone is face-down in meetings now. Alex still sends 🙃. Jimmy still isn't sure what it means, but at least now it's Alex saying it.

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