Reaching 100K Members: PF Celebrates a Major Milestone!

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The discussion centers around the imminent milestone of reaching 100,000 members on Physics Forums (PF), with current membership at 99,565 and a growth rate of 150 to 200 new members daily. Participants express excitement about this achievement, recognizing the contributions of the admin team, science advisors, and dedicated members who support the forum. There is a comparison of PF to an "internet city," emphasizing its role in fostering education and collaboration among knowledgeable individuals.Concerns are raised about the actual number of active members, with previous statistics indicating that a significant portion of registered users have never posted. Discussions also touch on the need for server resources and the financial support required to maintain the forum's growth. The conversation includes humorous speculation about the potential "overpopulation" of members and ideas for celebrating the 100,000th member, including a ceremonial event.Participants share insights on membership statistics, including past purges of inactive accounts, and express gratitude for the forum's impact on their interest in physics.
  • #31
It's my homepage!

These forums are fully responsible for sparking my passion for physics, and for that I am truly grateful. Thanks to all the Mentors, Homework Helpers and anyone else who is responsible for the well-being of this site.

_Mayday_
 
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  • #32
Ivan Seeking said:
Re Gokul's post: Greg purged old accounts at least twice, and I think several times since then.

My old account was purged after I didn't post for about 2 years :cry: . I sincerely hope it was not because I was a looney! Hmm this could actually probably get me banned admitting to this, but I hope that I have much more good favor on this name than in the past.
 
  • #33
I see threads that curious or confused 14 year old kids make, and I think it's great that we have a set of smart people with diversity in age that can help them out.
 
  • #34
I am seeing that there are currently 41,477 members ... where is this 100,000 number coming from?

https://www.physicsforums.com/memberlist.php?do=getall&pp=30&order=asc&sort=joindate&page=1383
 
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  • #35
Redbelly98 said:
I am seeing that there are currently 41,477 members ... where is this 100,000 number coming from?
Main page, right column, "Physics Forums Stats" (about halfway down the page)

The members list page counts only the members that have posted. About half the people that sign up never post!
 
  • #36
Thanks for the explanation Gokul.

Here's a couple of graphs of how the forum has grown over the years, in terms of members who have actually posted.
 

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  • #37
Cyrus said:
It ran out. Then I saw all these damn ads. My god its horrible.

Firefox + Adblock Plus?

I've never seen any ads on this site (or most others.)
 
  • #38
mattmns said:
Sometimes he removes people that have just never posted anything useful.

... ah crap, I hope he doesn't do that this time.

Just to make things clear: I purge account usually once every few months. I only delete old accounts that never comfirmed their registration email address. For whatever strange reason only 1 in 3 confirm their email. and... I will purge soon again, we'll see maybe a 2-3k drop. But I'll do it once we are over 100k
 
  • #39
Vid said:
Firefox + Adblock Plus?

I've never seen any ads on this site (or most others.)

Definately your right to do so, but once we start using impression based ad campaigns, blocking the ads does hurt the site in a way. You'll not only be blocking the ads, but also much needed revenue.
 
  • #40
too bad you didn't come up with some contest of who could guess to the nearest second when it did reach 100k
 
  • #41
Greg Bernhardt said:
Definately your right to do so, but once we start using impression based ad campaigns, blocking the ads does hurt the site in a way. You'll not only be blocking the ads, but also much needed revenue.

So the ad companies tell whether their ad are being received by the user browser or not?
 
  • #42
Redbelly98 said:
Thanks for the explanation Gokul.

Here's a couple of graphs of how the forum has grown over the years, in terms of members who have actually posted.
Very nice Red! How did you make/find those graphs?

Looks like the membership growth over the last 3 years has indeed been close to exponential.
 
  • #43
Gokul43201 said:
Very nice Red! How did you make/find those graphs?

Looks like the membership growth over the last 3 years has indeed been close to exponential.


Hey Gokul,

I found some similar statistics, though I do not know how dated they are! :smile:

http://www.big-boards.com/board/1213/"


_Mayday_
 
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  • #44
Number of posts: 1608250
Number of members: 99821
Post per member ratio: 16
Posts last week: 7783

Have a look at my link, at the number of posts in December! What happened then! The place must have gone through the roof!
 
  • #45
_Mayday_ said:
Hey Gokul,

I found some similar statistics, though I do not know how dated they are! :smile:

http://www.big-boards.com/board/1213/" _Mayday_
Thanks Mayday. That looks like current (2007-2008) data. It shows that nearly 8000 member purge I mentioned.

Looks like the current sign-up rate is close to 150 per day - within 10% of Ivan's prediction!
 
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  • #46
Gokul43201 said:
Very nice Red! How did you make/find those graphs?
You can sort the members list by join date here:
https://www.physicsforums.com/memberlist.php?&order=ASC&sort=joindate&pp=30
Then, you can figure out how many posting members have joined up to any date, using the fact that 30 members are displayed per page. It took maybe an hour to compile the numbers and put them into Excel to make the graphs.

Looks like the membership growth over the last 3 years has indeed been close to exponential.

Yep, at about 50% annual growth.
 
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  • #47
_Mayday_ said:
Number of posts: 1608250
Number of members: 99821
Post per member ratio: 16
Posts last week: 7783

Have a look at my link, at the number of posts in December! What happened then! The place must have gone through the roof!

I think not ... the graph shows 1 week with zero posts, followed by a week with about double the normal amount of posts. Looks like the data-loggers just took a week off, and then got caught up when they returned :smile:
 
  • #48
99,933
 
  • #49
We should have a ceremony for the 100,000th member!

...well, it might scare them off to see thousands of members running at them waving fish over their heads...
 
  • #50
lisab said:
We should have a ceremony for the 100,000th member!

...well, it might scare them off to see thousands of members running at them waving fish over their heads...

That's such a great idea. I was thinking maybe we could have 100,000 fish drop from the ceiling as soon as they confirm registration.
 
  • #51
They could get a dollar from each of the other members and make everyone else very jealous.
 
  • #52
Math Is Hard said:
99,933

I'm guessing 100k will sign up on Tuesday.

And if Greg does another purge right after that, we can have two lucky #100,000's :wink:
 
  • #53
Evo said:
Oh a fish drop!

Redbelly98 said:
I'm guessing 100k will sign up on Tuesday.

And if Greg does another purge right after that, we can have two lucky #100,000's :wink:
The last time we were waiting for the 30,000th member to sign up, a certain clever somone here created a sockpuppet and got the honor. :biggrin:
 
  • #54
Redbelly98 said:
I'm guessing 100k will sign up on Tuesday.

And if Greg does another purge right after that, we can have two lucky #100,000's :wink:

I'll guess Monday June 2 10:29 AM CST
 
  • #55
are we starting a pool then?
 
  • #56
Math Is Hard said:
are we starting a pool then?

yes---


and you can be one of the life guards
 
  • #57
Evo said:
The last time we were waiting for the 30,000th member to sign up, a certain clever somone here created a sockpuppet and got the honor. :biggrin:

haha, that was awesome. Ivan!

Here is the original 30,000 member thread (just 3 years ago): https://www.physicsforums.com/showthread.php?t=89349

It really gets interesting on the last two pages :biggrin:
 
  • #58
Members: 99,957

Shoot! I was hoping Greg's Dad would be the 100,000th.
 
  • #59
We no longer have 'Newest Member' notifications, do we?
 
  • #60
Pool guess: Monday, June 2nd 3:45 pm MST.

Gokul43201 said:
We no longer have 'Newest Member' notifications, do we?
Doesn't look like it :cry:

Maybe we (Greg :smile:) can create something special for the 100000th member?
 

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