Nerd Culture Blog: Gaming, Sci-Fi & Internet Lore

Name	Category	Origin	Purpose	Storage Duration
act	Required	.facebook.com	Used to distinguish between two Facebook sessions for the same user, created at different times.	Session
c_user	Required	.facebook.com	The Facebook user ID of the currently logged-in user.	90 days
fblo_	Required	nerdspot.events	Used to log in users via Facebook.	6 months
fbm_	Required	nerdspot.events	Used to log in users via Facebook.	3 months
user-is-logged-in	Required	nerdspot.events	Saves that the user is/was logged in.	31536000 seconds
LF9x	Required	nerdspot.events	Unique ID that identifies the user's session.	14000 seconds
datr	Marketing	.facebook.com	Used to identify the web browser used to connect to Facebook regardless of the user logged in.	2 years
_fbp	Marketing	.facebook.com	Used by Facebook to display a range of advertising products, such as real-time bids from third party advertisers.	3 months
fr	Marketing	.facebook.com	Used to show and measure ads and improve the relevance of ads (including measurement of conversions). Determines the relevance of ads based on site behavior and/or current search queries.	3 months
sb	Marketing	.facebook.com	Used to show and measure ads and improve the relevance of ads (including measurement of conversions). Determines the relevance of ads based on site behavior and/or current search queries.	2 years
spin	Marketing	.facebook.com	Set by Facebook at login - exact usage unknown.	25 hours
	Marketing	nerdspot.events	Used to collect consent for tracking the user ID in Matomo. No cookie is set.
	Marketing	nerdspot.events	Used to collect consent for tracking the user email in Matomo. No cookie is set.
wd	Statistics	.facebook.com	This cookie stores the dimensions of the browser window and is used by Facebook to optimize the display of the page.	7 days
_GRECAPTCHA	Statistics	https://www.google.com	Cookie set by Google reCAPTCHA to protect the site from spam by bots.	180 days
mtm_consent	Statistics	nerdspot.events	Used to remember that consent was given by the user.	Unlimited
_pk_cvar.*	Statistics	nerdspot.events	Used to temporarily store data for the visit.	30 minutes
_pk_hsr.*	Statistics	nerdspot.events	Used to temporarily store data for the visit.	30 minutes
_pk_id.*	Statistics	nerdspot.events	Used to store details about the user (e.g. a unique visitor ID)	13 months
matomo_ignore	Statistics	stats.pcsg-server.de	Flags the user as ignored from tracking.	Unlimited
_pk_ref.*	Statistics	nerdspot.events	Used to store the attribution information (e.g. the referrer initially used to visit the website).	6 months
_pk_ses.*	Statistics	nerdspot.events	Used to temporarily store data for the visit.	30 minutes
MATOMO_SESSID	Statistics	nerdspot.events	Created when opt-out feature is used. Helps prevent CSRF security issues.	Temporary
_pk_testcookie.*	Statistics	nerdspot.events	Used to check whether the visitor’s browser supports cookies.	1 second
xs	Preferences	.facebook.com	This cookie contains several pieces of information about the user’s session.	3 months

Salami slices and a microscope on a round table in a pixel-art bedroom, with bacteria illustrated on a CRT

Salami Day 2026: The Microbial World Inside a Slice

9/7/26

A slice of salami carries the results of a microbial community at work. For September 7, follow the science from acid production to bacterial competition.

A glass prism casts a spectrum across coloured threads beside a CRT showing an eye in a pixel-art bedroom

John Dalton at 260: The Colour Mystery He Left Behind

9/6/26

A flower, a candle and a disagreement about colour led Dalton to investigate his own vision. His explanation failed, but the evidence survived.

A child sits before a CRT as the bedroom opens into a pixel-art fantasy of a sword-raising hero, castle and hooded skull figure

He-Man at 43: How 65 Episodes Took Over the Week

9/5/26

The secret behind He-Man’s staying power includes a surprisingly practical number: 65. A look at the TV schedule that helped turn a toy hero into a daily companion.

A 1990s bedroom search lab with a CRT network, magnifying glass and glowing links joining index cards

Google at 28: Why It Has Two Birthdays

9/4/26

Google was incorporated on September 4, 1998, yet it celebrates on September 27. Follow the evidence behind the search company’s two birthdays.

A teenager in a dark 1995 bedroom packs a broken laser pointer while a glowing modem cable reaches a distant window

eBay at 31: How a Broken Laser Pointer Built Trust

9/3/26

eBay began with a broken laser pointer and a risky deal between strangers. Discover how public feedback turned that odd first sale into a marketplace design pattern.

Two glowing audio cassettes send matching cyan and magenta sound waves through a maze toward an amber bulb in a dark 1990s bedroom

No Rhyme Day 2026: Why Rhymes Sound True

9/1/26

Rhyming does more than make a phrase memorable. Research suggests it can make the same idea feel more accurate—here is how the rhyme-as-reason effect works.

Street Fighter at 39: The Buttons That Changed Fighting Games

8/31/26

The first Street Fighter tried to measure how hard players hit two giant arcade pads. Its more practical replacement became the six-button language of fighting games.

An open novel in a dark 1990s bedroom casts two different cyan and magenta creature shadows

Mary Shelley at 229: Which Frankenstein Should You Read?

8/30/26

Mary Shelley did not leave us one fixed Frankenstein. Compare the 1818 and 1831 editions, Percy’s documented edits and the best version for your first read.

A dark 1990s bedroom where cyan-lit cables connect CRT computers and toy robots as a network awakens

Judgment Day 2026: Skynet’s Missing Off Switch

8/29/26

Terminator 2 returns to cinemas around its fictional Judgment Day. Revisit Skynet as a control-system failure—not a prediction about today’s AI.

Welcome to the rabbit hole.