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William Costello

@CostelloWilliam · Austin, TX · joined 09 Mar 2011

🇮🇪 Doctoral researcher @ProfDavidBuss Evolutionary Psychology Lab @UTAustin

20 354Followers
3 311Following
28 175Posts total
85.9KViews on collected posts

Against accounts of the same size

4 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views7 644this account942median for 10K–100K
Reach, %37.55%this account3.24%median for 10K–100K
Engagement, %1.30%this account1.99%median for 10K–100K
MetricThis accountMedian for 10K–100KRatio
Median views per post7 6449428.11×
Reach (views ÷ followers)37.55%3.24%11.6×
Engagement rate1.30%1.99%0.65×

Others in this range →   Compare with another account →   How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

17.1K5 Mar
493
290
1K
31.4K29 Apr
375
330
34030 Apr
9.4K2 Sep
3.5K3 Sep
5.9K4 Sep
15.8K

Last 12 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.34%5 Mar
3.45%
5.17%
1.89%
0.47%29 Apr
1.87%
1.21%
1.47%30 Apr
0.94%2 Sep
1.89%3 Sep
1.65%4 Sep
0.59%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.99%.

What the audience does

Likes56.2%423 in total
Reposts6.8%51 in total
Replies16.2%122 in total
Quotes2.8%21 in total
Bookmarks18.1%136 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

“Some of us are becoming the men we wanted to marry” - Gloria Steinem https://t.co/SqHoMQTeTy 15.8K views · 66 likes · 6 reposts · 17 replies 04 Sep 2026 · Open on X →
Women in this poll want men to LooksMaxx MORE! https://t.co/qQfXnfM8ww 5.9K views · 75 likes · 7 reposts · 12 replies 04 Sep 2026 · Open on X →
“I’m 64, childless and consumed by ‘granny pain’ Now so many of my friends are grandparents, I’m beset by jealousy and feeling the old wounds of not being a mother again”. https://t.co/uNnEuxCL7i 3.5K views · 55 likes · 4 reposts · 4 replies 03 Sep 2026 · Open on X →
Women have a quality of purity that few men possess. On balance, do you agree more than you disagree with this statement? Are you male or female? 9.4K views · 33 likes · 6 reposts · 46 replies 02 Sep 2026 · Open on X →
@CostelloWilliam @JaimieKrems There is no such thing as cross-sex friendship 340 views · 3 likes · 0 reposts · 2 replies 30 Apr 2026 · Open on X →
@CostelloWilliam @DrThomasAG @JaimieKrems Congrats 330 views · 3 likes · 0 reposts · 1 replies 29 Apr 2026 · Open on X →
@CostelloWilliam @JaimieKrems 9th grade, my first 'love interest' - Tried paying for her pizza, I think we shared - but indeed I was provisioning. 375 views · 5 likes · 0 reposts · 2 replies 29 Apr 2026 · Open on X →
New from my stellar coauthors and me in Evolution and Human Behavior. Courtship in cross-sex friendship: novel tests of male financial provisioning as a signal and cue of mating interest. Part of @JaimieKrems special issue on Friendship https://t.co/pcVe1IfYR1 https://t.co/Oi 31.4K views · 114 likes · 22 reposts · 9 replies 29 Apr 2026 · Open on X →
@CostelloWilliam Shit this is going to be highly dependent on location, socioeconomic status, social circle, etc. Generally, City guys: less Country guys: more 1K views · 16 likes · 0 reposts · 3 replies 05 Mar 2026 · Open on X →
@CostelloWilliam The term "looksmaxx" is throwing me off Yes, pay attention to your appearance No, do not hit yourself in the face with a hammer 290 views · 14 likes · 0 reposts · 1 replies 05 Mar 2026 · Open on X →
@CostelloWilliam Fifth option don’t use words like looksmaxx ever 493 views · 15 likes · 0 reposts · 2 replies 05 Mar 2026 · Open on X →
Heterosexual women... Would you prefer that men, in general, put more or less effort into their physical attractiveness than they do currently? 17.1K views · 24 likes · 6 reposts · 23 replies 05 Mar 2026 · Open on X →

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