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By Scott Knaster, Google Developers Blog Editor

We all live together in one big blue world, but we do lots of things differently: like pay for our purchases in different currencies around the world, for example. That’s very important if you’re doing commerce on the web, because people like to pay for things in their local currencies. For e-commerce developers, Google Analytics just launched a feature to track revenue, tax, and shipping & handling costs in multiple local currencies on a single website.


This new feature, which is rolling out gradually to all Analytics users, lets you choose from 31 different flavors of local currencies when you set up your reports. With multi-currency support, you can give your site broader appeal while making the world seem like a smaller, more friendly place.

Speaking of shared international knowledge, you might know that the weight of a kilogram is defined by a cylinder of platinum-iridium alloy in France. Strangely enough, even though the International Prototype Kilogram is sealed in a vault, it’s getting infinitesimally heavier, about one-eighth the weight of a grain of sand per century. Obviously, that just won’t do. To fix this, scientists are going to clean the cylinder, and all will be well again.

Finally, spend some time this weekend contemplating the discovery of a new largest prime number, which is 17,425,170 digits long (and with the magic of the Internet, you can look at all those digits here). This prime number was discovered by Dr. Curtis Cooper – no, not that Dr. Cooper – via the Great Internet Mersenne Prime Search (GIMPS).


Each Friday we publish a Fridaygram to tell you about strange and wonderful stuff from Google and the world at large. And please don’t worry about memorizing that long prime number – there will not be a quiz. Not even for you, Sheldon.

2013, By: Seo Master

Seo Master present to you: 2013, By: Seo Master

Seo Master present to you: Post by Joe Gregorio, Google Developer Programs

On February 11 and 12 Google hosted the Internet Engineering Task Force (IETF) Application Area Architecture Workshop. This was a chance for people active in the IETF Applications Area to get together and work on architectural issues, topics that span many specific groups in the Applications area.

The Applications Area is the part of the IETF that deals with applications

"...that is, things that are not security (part of the security area), nor networks (most of the other areas), but rather things that use the networks and security services to provide things of benefit to the end-user."

This was of particular interest to me since that includes specifications like the Atom Syndication Format and the Atom Publishing Protocol, which we use extensively at Google. From the call for participation:

"These should be a few pages of text on some topic related to Applications area architectural issues. Since the group of attendees is expected to span HTTP and AtomPub, email, IM, calendaring, directories and more, issues should be of interest to more than one of these groups. Some existing Applications architecture "modules" that already are reused include SASL, URLs, MIME types, XML and XML schemas and namespaces, HTTP as a substrate, TLS, ABNF, BEEP."

We had around 20 attendees and the breakout sessions ranged over all the topics listed above and many more. There were two days of great conversation and everyone had a good time.

"Thank you for the high quality hosting and convenience of location and food!"

-Lisa Dusseault (Apps Area Director)

2013, By: Seo Master