Xobni: gearing up for success

It’s only been three weeks since we first surpassed the number of users I could count on my fingers and toes. The feedback from our beta users has been incredibly helpful. Skyler, our support guy, will be highlighting what people are saying in an upcoming post. Today, I’d like to share some of our most recent progress:

Improving performance

Xobni’s performance has increased by leaps and bounds, especially on inboxes with extremely high levels of email activity. These mega inboxes can contain hundreds of thousands of messages and span over a decade. Needless to say, Xobni must do a lot of heavy lifting to operate in such environments.

Our highest priority has been to improve memory usage and profile loading times. Xobni now uses less than half the memory it did when we launched at TechCrunch40! This memory reduction was made possible by improving the overhead of low level data structures within the .NET framework and our own data storage architecture.

Profile loading times have been dramatically improved; we modified the code to utilize our in-memory indexes more intelligently. On the most prodigious of profiles, this decreased load times from several seconds to just a few milliseconds. Sweet!

How to obtain the update

One thing we prepared in advance of our private beta was an automatic update infrastructure. It allows us to instantly share our bug fixes and feature updates with you. No new downloads required – Xobni will be updated the next time you start Outlook. So if you’re one of our private beta testers, last night we shipped you an update that’s the fastest and most stable version of Xobni Insight to date. You should notice the improvements immediately.

Don’t take our word for it
Eric Hahn, who knows what he is doing when it comes to email, made this comment on a blog of a user that cited a few of our early performance issues.

“Xobni is indeed a really cool tool. They have made MAJOR strides in performance – you should ask them for their newest build. It appears (to me) to be 5x-10x faster and no longer slows down Outlook at all. I’ve been running it for almost 2 weeks and it is really wonderful stuff. Hope this helps! -Eric”

Other new developments
Bryan is our web guru and designer. He’s been making updates to our internet-facing infrastructure, like adding additional servers and support for memcached, so that we can better handle future stages of Xobni’s growth. He recently set up Xobni’s team blogs system so each member of the team can share what they are working on and shine in their own way. Adam already has a Xobni blog set up here and Bryan now has one too. Look for more team blogs soon.

Aamir recently joined us, and has gotten up to speed quickly. He has already made contact details, names, and pictures editable in Xobni person profiles — one of our most requested features. This will give you much more control over the user profiles you see in Xobni. We hope to get it to you in the next few weeks.

We are always looking for new rockstars like Aamir, so check our jobs page to learn how you can join the team.

14 Responses to “Xobni: gearing up for success”


  1. 1 Jimmy October 12, 2007 at 12:20 pm

    This sounds like a wonderful tool… especially for a guy who’s over Outlook.

    If I don’t get an invite I don’t know what I’m going to do with myself.

  2. 2 Steven Hodson October 12, 2007 at 1:45 pm

    any word of an available download for those that were experiencing problems before this auto updating went into effect?

  3. 3 Matt October 12, 2007 at 3:02 pm

    Anybody who had problems with an earlier version should contact support@xobni.com and tell them about your situation. We’ll take care of you.

    Thanks for reaching out.

    -Matt

  4. 4 Arun October 12, 2007 at 7:35 pm

    I got a mail from Xobni on Oct 1 that I’d be getting the download details for Xobni in the early part of that week. But it’s been over ten days now. Any plans for shipping a copy to me!

  5. 5 Jeremy October 15, 2007 at 12:04 pm

    What is the version number of this build?

  6. 6 matt October 16, 2007 at 2:36 pm

    The current version as of 10-16-07 is build 2014.

    You can view the build number you are currently running by going to the Xobni menu in Outlook and clicking on “About Xobni”

  7. 7 Lalit Kapoor October 17, 2007 at 4:46 pm

    Curious, why Outlook first. Why not Thunderbird? I know there will be a thunderbird plugin as well. Is it because it was c# and easier to implement with Outlook? Just wondering what your thought process on that was. More people use Outlook?

  8. 8 Matt October 17, 2007 at 7:59 pm

    Hi Lalit, good question.

    We started with Outlook because we realized Outlook users experience a lot of pain. We thought we could help. Also, this was a strategic business decision. Outlook dominates the business email market. This results in a very large potential user base, and a user base with good paths towards monetization.

  9. 9 Brian Moura October 19, 2007 at 3:14 am

    I’d have to agree with the Xobni folks on starting with Outlook. I tried Thunderbird but experienced enough bugs there that I ported my mailbox back to Outlook.

    I will say though that I went back to Outlook 2003 rather than Outlook 2007 so I could continue to use the Lookout Freeware Search add-in. I’ll be interested to see how the Xobni search feature compares with Lookout. (Xobni folks beware – I will compare the two!)

  10. 10 Irina August 29, 2008 at 8:58 pm

    Отлично. Чувствуется позитив 🙂

  11. 11 Ласто September 4, 2008 at 10:34 pm

    Познавательно написано. А это все на основе Вашего личного опыта?Позвольте поинтересоваться 🙂

  12. 13 Tom King November 16, 2008 at 3:13 pm

    I’d love to see Xobni for Thunderbird. How about some love for users of Mac, Linux AND Windows. Not everyone uses Outlook, not everyone uses Windows,

  13. 14 appu December 19, 2008 at 7:19 am

    Hi,
    So I am taking the plunge and moving to thunderbird (have had enough of MS and their arm-twisting tantrums). My only worry is that I would not be able to use xobni anymore…I adore xobni, it has made my life so simple and searching emails and contacts extremely simple…is there any plug-in for thunderbird? Curious to know and willing to be a beta user if you need one 🙂


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Xobni’s contact management products offer lightning fast email search and organization of your inbox, as well as an innovative and comprehensive address book for the mobile device.

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