Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Internet culture & public spectacle · 22 July 2017Open article references →
The Failed First Pokémon GO Fest
Grant Park Pokémon GO Fest site · United States
Why editors use it hereEstablished technology reporting on the $1.575 million settlement and eligible travel expenses.
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Quick read
On 22 July 2017, about 20,000 ticket holders came to Chicago's Grant Park for the first Pokémon GO Fest.
Reviewed 26 July 2026 -
Trigger and conditions
As attendees entered Butler Field, phones struggled to attach to overloaded cellular sectors and the app returned errors.
Reviewed 26 July 2026 -
Uncertainty
Attendance is commonly reported around 20,000, while ticket sales and people present may differ.
Reviewed 26 July 2026 -
Why it matters
Pokémon GO Fest shows that a connected event's maximum attendance is set by its weakest authentication, radio, server, staffing, or entry layer.
Reviewed 26 July 2026
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Quick read