David Lifson
Lover of all software that is social. Co-Founder of Postling.com (@postling).

Celebrate the start of our new season and the launch of our new name on October 14 at our first fundraising event of the 2011-2012 season at the Brooklyn Fire Proof in Williamsburg. We will have our own private room, and a night of jazz combos, classical ensembles and delicious drink specials will culminate with a dance party, complete with a DJ...

Be prepared for an awesome day chowing down on the ten best dumpling hautes of Flushing, NYC. Follow the link with the details and the complete itinerary. Come join the crew!

Best-selling author Gary Vaynerchuk will be appearing at the SX Bookstore to greet fans and sign copies of his latest work, The Thank You Economy.

The internet is now social, but the tools and theories we use to understand it are rooted in a pre-social past. Much of the psychology inspired interaction design draws on information processing models from desktop application design. Perfect for shopping carts, not so good for understanding the social web. Newer psychological theories like...

Barry Diller currently serves as the Chairman of Expedia and the Chairman and Senior Executive of IAC, a leading internet company that houses more than 50 businesses including Match.com, Citysearch, The Daily Beast, Vimeo, CollegeHumour, Electus and Ask.com. Prior to founding IAC, Mr. Diller served as chief executive for a number of companies...

Social media applications encounter messy user-generated data in blog posts, status updates, tweets, user profiles, etc. These documents contain free-form text that obeys no particular rules of grammar, punctuation or spelling. If the data is so messy, how can a computer program recognize adult content or hate speech or spam? How can a computer...

  Come see what the future of social travel looks like- or just come prepared to drink and dance. Add your SXSW trip to Austin on your gtrot profile and tweet the shortlink to land on our VIP list.   (Rooftop Bar is partially indoors so come party rain or shine)   Fine print: You must be 21 or older to attend, and IDs will be checked at the...

The second annual Tech Cocktail SXSW will kick off the third annual SXSW Accelerator program and showcase 30+ early stage startups for an evening of conversation. The event is aimed at better connecting, educating and amplifying the SXSW Interactive community.

Join us for an evening of fun mingling with other technology enthusiasts, innovators,...

He brought us The Web Standards Project, A List Apart, Designing With Web Standards, A Book Apart, and so much more. Now legendary blogger, designer, and creative gadfly Jeffrey Zeldman brings us a SXSW panel. There will be discussion. There will be special guests. Quotable insights will fly faster than your fingers can peck them into Twitterific....

Do your 500 "friends" on social networks really know what you will like? How many of your friends' shared links that you click each day are interesting to you? The social graph brings trust and meaning to the web, but often creates information overload from over-sharing. And because real-time updates and feeds emphasize...

The notion of “social” on the Web is continuing to change as people look to connect more seamlessly online, no matter where they are. For the first time, the idea of an algorithmic-driven Web experience is challenged by a people-centric one where it is discovered through shared connections. People and interests define the next great...

Guy Kawasaki will be appearing at the SX Bookstore to meet fans and sign copies of his latest book, Enchantment: The Art of Changing Hearts, Minds, and Actions.

We're gathering Austin's best food trucks together for an afternoon of BBQ, tacos, meat pies and more.

Download Foodspotting for Secret Menu items and to participate in a photo scavenger hunt - win prizes!

Featuring the following Food Truck stars:
- Along Came a Slider
- Boomerang's Pies
- Chi'Lantro
- Clem's Hot Diggity...

Former entrepreneur, current investor and innovation community leader Charlie O'Donnell will discuss five different patterns of failure often seen in startups that don't make it. It will cover how entrepreneurs can derisk their ideas, maintain momentum, and take advantage of opportunities early on in a company's life cycle. Patterns...

Khoi Vinh, former design director at the NY Times, will be stopping by the SX Bookstore to greet registrants and sign copies of his book, Ordering Disorder: Grid Principles for Web Design

If you’re in charge of social media for your company, you’re likely struggling to show the executives what exactly all that hard work does for the business. You know it’s worthwhile, and you know there’s ROI, but you don’t have the tools or the resources to scientifically measure exactly what it all means. In fact – it’s probably...

For every design change you make affecting your user’s experience, do you know if you’re having a positive or negative impact? Are you adding to your organization’s bottom line or eroding it? Are you sure? Or, are you like most design teams who release work through a ramshackle process made up of politics, prayer, and paralysis?

The health...

Steve Blank is one of the world’s leading experts on entrepreneurship – nab a seat if you’re lucky and get the inside track on what it takes to be a NextGen Entrepreneur, how company-building is changing, and how you need to up your competitive edge.

What if we got it all wrong? What if we've been going about marketing strategy completely the wrong way? During this session, Joseph Jaffe, Chief Interruptor at Powered, a social media marketing agency, will outline how retention can become the new acquisition for businesses today and in doing so, transform the way companies go to market and...

Dave McClure debuts ‘Startup Metrics for Pirates: The Sequel’ – it’s your chance to better understand design, distribution, and proper use of expletives. Following Dave’s talk, you’ll get to hear case studies from some of the most effective ‘Lean UX’ designers and developers this side of the Mississippi.

Come get some poolside food and drinks (including Veev cocktails) at the Klout #Krib for SxSW. The UserVoice Challenge Cab will be shuttling as many people to the event as possible for free – AND giving out nifty prizes. If you can’t get in the challenge cab, we’ll also have a limo for additional transport.

UPDATE: We're excited to...

FreshBooks passed the 2,000,000 user mark a while back and we forgot to tell anyone. So in honor of that and the fact that we are turning 7 we've teamed up with our friends at PayPal to throw a two day long 7th Birthday/2,000,000 user party.
It is going to be a pretty typical 7th Birthday party with Clowns, Balloon Animals, Stilt Walkers, Ice...

You know how a lot of panels at SXSW can be kind of boring? A bunch of folks on stage hocking their wares?

Bump that mess. I'm running a discussion that will actually make you want to stop checking Twitter for a few minutes.

We're taking over a corner of the Core Conversation room and making it Community Building HQ. No Power Point...

Who will win the ‘King of the Apps Showdown? YOU DECIDE! Play judge alongside Robert Scoble, Eric Ries, Dave McClure, Bill Boebel, and Stacey Higginbotham for a startup showdown. The winner gets $10,000 in cash and prizes, provided by the awesome folks at Rackspace.