"A power tool for working with messy data, cleaning it up, transforming it from one format into another, extending it with web services, and linking it to databases like Freebase."

"Aside from choosing not to install tracking solutions that come with such a performance penalty (which is not always an option), your best option is to replace the default 500ms timeout in these scripts with something less obtrusive. 100ms is considered the threshold for what we perceive as instantaneous response."

New eye-tracking system using webcams. Clever!

"In the cozy confines of personal life, we rarely used the power of numbers. The techniques of analysis that had proved so effective were left behind at the office at the end of the day and picked up again the next morning. The imposition, on oneself or one’s family, of a regime of objective record keeping seemed ridiculous. A journal was respectable. A spreadsheet was creepy. And yet, almost imperceptibly, numbers are infiltrating the last redoubts of the personal. Sleep, exercise, sex, food, mood, location, alertness, productivity, even spiritual well-being are being tracked and measured, shared and displayed."

"An automatic, personal diary system to help reclaim and consolidate your ever-expanding digital life with simple visualizations that you can use every day."

Facebook Page apps.

"It’s extremely cool to see this pattern being evangelized for such a major piece of the Internet."

Very detailed A/B testing presentation.

"Well, they suck." Yes, they do.

"A simple way to discover events people are chattering about on Twitter."

"Run instant usability studies for your website using your real users. You can get it up & running in seconds with one line of javascript, and immediately watch movies of your users’ browsing sessions to analyze their behavior."

This feature is a translation of the current Google Analytics tracking code into the ActionScript 3 programming language that dramatically simplifies the ability to track Flash, Flex and AS3 content.

"The pioneer in multivariable optimization, Optimost helps online marketers improve customer satisfaction, increase conversion rates, and maximize ROI."

"Go beyond the old Page View model and start to measure engagement. Understand your users' activities and how they interact with the various features of your site."

"Helps companies make sense of the mass of positive and negative things that are said about their brands in blogs, user generated videos, and images."

"A jQuery plugin to make embedding Google Analytics simpler for typical web sites."

"Jeff Parks [and] Milissa Tarquini [...] talk about how this long held rule in web design is being de-bunked by web analytics and user testing, as well as how this will impact design and development processes based on screen resolution and browser compati

"Click streams have made room for bounce rates, search analytics, and so much more. If we play our cards right, we can reduce and synthesize the raw data and give our clients more meaningful information that foments action."

"When building a web app, reporting is the last thing on many feature lists. Clear reporting is vitally important for the long term success of your web app and managing your growth."

"Server log files are inappropriate for gathering usability data. They are meant to provide server administrators with data about the behavior of the server, not the behavior of the user."

"Snoop streams website and blog events to you live, in real-time."

ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones.

Info on Google's new Website Optimizer tool.

"Without a comprehensive ability to analyze your site’s traffic, you’ll be unable to determine the effectiveness of your website, online marketing campaigns, and overall online business objectives."

"Records the position of every click on a page, building up a virtual heat map of visitor activity. It also provides user behaviour analysis, segmentation and tracking."

"Watch movies of how users interact with your website. Gain valuable insights to maximize usability"