Twitter announced yesterday that they now have more than 145 million registered users. That’s a lot, but how much is Twitter actually being used? Turns out that there’s more activity on Twitter than ever before, and it keeps increasing.

Twitter processed 2.64 billion tweets this August, an increase of 33% over May. Not a bad increase over just a summer. In August, an average of 85 million tweets passed through Twitter every day.

And if you look at the whole year so far, the increase is even more impressive. Activity on Twitter has already more than doubled this year (August had 115% more tweets than January).

Note that the above chart shows the total activity on Twitter, both Twitter.com and tweets sent via Twitter’s API, i.e. from all Twitter apps.

Last year was a breakout year for the service, and that trend seems to continue.

It’s a luxury problem, but this rapid growth of course puts a lot of strain in Twitter’s infrastructure (they’ve had their hands full). No wonder Twitter is moving into its own custom data center this fall.

About the data: If you’re curious how we calculated the number of tweets per month, check out this post, the methodology is listed at the bottom.

Do you live in a country that loves Apple’s iPad? Most of us probably think we do, but we wanted to be able to tell you for sure. So even though we have written about the iPad many times before, it’s now time for us to tackle this hotly contested topic again.

Read on to find out, which countries are the most iPad-friendly.

Perhaps you live in one of them.

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Display resolutions are increasing every year, something that’s being taken to its extreme with the recent “retina display” trend that came with the latest iPad. The jump in onscreen pixels is massive, and such displays are soon bound to make their way into regular laptops and desktop displays, perhaps as soon as this year.

This development will have a profound effect on the size of the graphics resources necessary for websites, which ultimately will make websites bigger, more bloated and slower to download. That is, if we don’t change tactics.

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The juggernaut that is Facebook is quickly approaching 1 billion users, so the social network is growing at a rapid pace overall.

But if we look at some of the latest figures available, it would seem that Zuckerberg’s creation is not gaining users in every corner of the world.

In fact, in one country, Facebook has lost 16% of its users over the last six months, the equivalent of over 200,000 users. But in another country, Facebook has gained almost 17 million users over the same period.

What countries are we talking about, you ask? Read on and we’ll tell you.

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Developers who want a portable computer to code on, which is thin, light, sleek and yet powerful, may now be getting another option in an ultrabook from Dell. What makes the “Sputnik” ultrabook different is that it runs Ubuntu 12.04 Linux and it’s tailor-made for developers.

Every Friday we bring you a collection of links to places on the web that we find particularly newsworthy, interesting, entertaining, and topical. We try to focus on some particular area or topic each week, but in general we will cover Internet, web development, networking, performance, security, and other geeky topics.

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“Photograph what is close to you. Share it with the world!“ That’s one of the headlines on Aday.org, a global project that will attempt to document what goes around the world in one day.

This all takes place on Tuesday May 15, 2012, and Pingdom will be participating.

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