WhatsApp passes 800,000,000 active users

whatsapp-numbers

TechCrunch is reporting on WhatsApp passing the 800,000,000 active users mark.  Almost exactly a year ago, it was at 500 million active users.  I don’t care much about WhatsApp’s business or service, but from the technical point of view this is quite significant.  That’s almost a million active users acquired every day for the last year.  That’d be a challenge for anyone to handle.  Thinking that this growth might have been not too linear gives me digital goose bumps.

I haven’t seen anything recent describing their infrastructure, but this article from last year provides a starting point for the imagination:  Erland + FreeBSD + 550 servers, with preference for larger box with loads of RAM and cores.  I’m sure that have grown quite a bit in a year too.

Citizenfour

citizenfour

It’s been a long while (almost two years in fact), since I posted a movie review.  It’s not that I haven’t seen any good movies in this period, but more of the fact that I tend to sound repetitive when I write these.  Watch that, this one is awesome, etc.

Last night I’ve watched “Citizenfour“, and I have to say I’m shaken by that documentary.   And I’m not a privacy or security freak, and I was somewhat familiar with Edward Snowden’s story.  This film, while portraying his personality, is not so much about him, as it is about the state of affairs.

As a non-US citizen, I have very little interest in what the US government is doing.  I don’t particularly care if someone is recording my Internet traffic, Google searches, or the phone calls I make.  I’m not worried about ending up “on the list”, or anything like that.

But not everyone is like that.  I do understand how government surveillance can be used, how data can be analyzed, and how pressure can be applied.  And I do share the point of view that the balance of power between the government and the people is way off (and not only in the US), and that we are beyond the point of any meaningful individual resistance.  It’s just that I don’t do anything about it, and Edward Snowden did.

For me personally, quite a few things were new in this film.  It was interesting to learn about the variety of NSA and CIA programs, the depth of their rich, and the technology that is in place already.  Some of it does sound like science fiction future, but is in fact very possible.   The stuff about security access in the NSA, drone video feeds, data gathering, analysis and search, with real time notifications, etc – all that was insightful.

The other side to the movie that I found interesting was the whole process that was used to expose these documents.  There is in fact no framework as to how such things can be done, what should and shouldn’t be published, how things can be verified, etc.  The move to remove his own bias and pass on the responsibility onto the journalists was interesting.

Overall, I think that the more people see this movie, the better.  The issues raised are very important and we should know about them.  It doesn’t only affect criminals or terrorists or Americans.  It affects everyone.  In particular everyone who has a phone, or a computer with an Internet connection, or a credit card.  After all, there are 1,200,000 people on the US watch lists, and from what I understand, this list is growing fast.

 

Mail::RFC822::Address: regexp-based address validation

This is pure gold!  Check out the regular expression for an RFC822 email address validation. I’m not going to paste it here, being concerned that it will open the gates of hell or something, but here is a sneak preview of about the first third or so.

regex