Product in Design Newsletter Trends
In September, several emerging topics have taken off in the product in design space. Leading the charge is Artificial Intelligence, with 147 mentions and steady newsletter coverage.
TOP PRODUCT IN DESIGN TRENDS - UPDATED SEPTEMBER 2026
20 Results
1
Artificial Intelligence
topicDeclining Growth
147
Mentions
-50%
Growth
98
Score
2
Cybersecurity
topicPeaked Growth
44
Mentions
-8.7%
Growth
75
Score
3
interior design
topicGrowing Growth
35
Mentions
+5.88%
Growth
75
Score
4
Blackbird Spyplane
topicPeaked Growth
30
Mentions
76
Score
5
Substack
topicPeaked Growth
28
Mentions
74
Score
6
Software & Programming
topicDeclining Growth
26
Mentions
-37.5%
Growth
88
Score
7
Pet Care
topicExploding Growth
19
Mentions
+275%
Growth
86
Score
8
Fitness & Exercise
topicExploding Growth
18
Mentions
+700%
Growth
87
Score
9
user experience
topicPeaked Growth
18
Mentions
64
Score
10
UX Collective
topicPeaked Growth
18
Mentions
76
Score
11
Cigar Culture
topicExploding Growth
16
Mentions
+1400%
Growth
100
Score
12
AI agents
topicPeaked Growth
16
Mentions
77
Score
13
Luxury Fashion
topicDeclining Growth
15
Mentions
-84.62%
Growth
94
Score
14
Fashion & Clothing
topicExploding Growth
15
Mentions
+50%
Growth
77
Score
15
Premium Cigars
topicExploding Growth
15
Mentions
+100%
Growth
100
Score
16
affiliate links
topicGrowing Growth
15
Mentions
+14.29%
Growth
80
Score
17
Bookshop
topicPeaked Growth
14
Mentions
77
Score
18
Music & Entertainment
topicDeclining Growth
13
Mentions
-55.56%
Growth
79
Score
19
Makeup & Cosmetics
topicGrowing Growth
12
Mentions
+40%
Growth
87
Score
20
paid subscribers
topicPeaked Growth
12
Mentions
63
Score
Trending Topics
Product in Design Overview
Active Trends20
Total Mentions526
Growing8
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Product in Design Trends FAQ
What are the most popular product in design topics in newsletters?
We track product in design trends across 500+ newsletters. The most discussed topics are ranked by total mentions and growth velocity.
How often is product in design trend data updated?
Data is updated weekly as new newsletter issues are published. Growth rates and velocity scores are recalculated with each update.
What do the growth metrics mean?
Growth rate compares mentions in the last 30 days vs. the prior 30 days. Velocity measures 7-day acceleration. "Breakout" means a topic is surging with high velocity and growth.
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