gustaf

There is massive consensus around IPCC's conclusions within the scientific community. The topic of the discussion here is not if climate change is real or not. You should find another site to discuss that.

>Have you had people apply to YC already with ideas in these areas?

Yes but we would love to see a lot more. We know there are lots of researchers working on this but not enough of them are starting companies.

>Can you speak to any technical shortcomings of ideas you've already seen (aside from the general cost/scale issues mentioned on the site)?

Here is a great overview of current technologies: http://www.centerforcarbonremoval.org/what-is-carbon-removal...

We don't want to encourage carbon removal as a way to continue burning fossil fuels - we want to solve climate change. Solving climate change requires carbon removal to hit 1.5C degree goal. We need to remove carbon from the atmosphere and we need to get good at it and do it cheaply. Here is a good primer gohttps://www.newyorker.com/magazine/2017/11/20/can-carbon-dio...

There is a really great article from New Yorker last year that I'd recommend: https://www.newyorker.com/magazine/2017/11/20/can-carbon-dio...

Carbon removal technologies are not going to bring us another ice-age. We need to remove hundreds of billions of tons of Carbon from the atmosphere in order to avoid catastrophic global warming. That is the major risk today and it's very apparent. Problem is that carbon removal technologies aren't good enough or cheap enough to do that.

Yes absolutely. I think that is one of the most promising solutions next to direct-air-capture

I'm very excited about this. Happy to answer any questions about Carbon Removal Technologies or Cellular Agriculture and Clean Meat

This is Gustaf from YC.

It might be good to think of the Airbnb story here. When Airbnb launched they were called Airbed & Breakfast and where offering airbeds in private rooms and their largest market was New York city. Few understood how big of an opportunity it was at the time.

Most of the very best marketplaces start with a small niche area that works very well and then expand out of that. Cocusocial is currently the largest cooking class provider in New York - the largest city in US.

Congrats on the launch Sixty!!

Congrats on the Launch Christian and Ryan! :)

Congrats on the launch Eli! :)

So excited to join!

This is a great post. This is the by far most common miss-understanding I get from new startups. People are far too confident their product have reached product-market-fit before that is actually true - often making this claim with very little data.

I've seen many VC's who are not data-literate enough to be able to understand the difference between measuring product value and growth without substance.

It does :)

Congrats on the launch and the financing! New products is awesome!

Great post Jonatan - thanks for sharing!

Congrats Dan & Team! Amazing work

using meta-data via the device fingerprinting.

Stay tuned. We've gotten a lot of feedback around this and will get a lot better at this.

Congrats Sam! :)

Awesome work!

This is great. At Airbnb we usually track one metrics and have a drag-metric to control for quality. Often people over-optimize to a local maxima only to find out that they just pushed the conversion drop to another part in the flow. For every volume metrics we have a quality metric

This is great. The current process of acqui-hires today is really broken and manual. It has every sign of an "industry" where software haven't arrived yet. Corp dev is often about connections and asking who is involved that know someone at a potential acquirer. API's replaced business development at it's core. I think corp dev should be next on the list

for mobile applications Facebook Mobile Ads are pretty good since you can target very specific audiences and built local critical mass. whenever you're bidding on non-branded adword ads you usually have to compete with some incumbent that have spent time on their optimization which means you probably wont be able to beat them with your new product

Thanks! We're really excited about the ones lined up for this spring too 

Massive congrats guys! :)

Looking forward to this one!

done

Voxer

We launched Voxer in 2011 and have since become one of the fastest growing voice applications in the world. What we've built is already an important part of the daily lives of millions of people.

We're a surprisingly small team doing this. Only about a dozen engineers who previously worked at Danger, Android, Apple & Twitter. We helped build things like redis for node.js and are contributors to the node.js community. Voxer is built using node.js, Riak and Redis.

- - - - - - - - - - - - - - - - - - - - - - - -

San Francisco, CA - Hadoop Engineer

We are solving really hard problems at massive scale with Node.js, Riak, Redis and run on Joyent Cloud.

We are generating a lot of data in the process - more than 25 billion events every day. We just jumped into the Hadoop ecosystem and are running our own cluster which processes terabyte. If you love working on these kinds of problems, get in touch and maybe we can figure them out together.

You'll get to work on:

* Help scale and develop our Hadoop cluster.

* Understand the patterns of groups, billions of messages with location data and social graph patterns.

Some of the things we look for are:

* Some formal education in Computer Science or equivalent, but the exact degree or number of years of professional experience you have isn't as important as your enthusiasm and ability.

* If half of your resume talk about animal-named systems you're probably the right person for the job

* You’re interested in how we can better understand what drives our user growth and user engagement and we can engineer the product to increase it.

* Hadoop experience We are starting to incorporate these technologies into our operations

* Experience working with Hive, Pig or Hbase

* Thorough understanding of statistical analysis.

Apply: http://voxer.com/jobs

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San Francisco, CA - Web/Integration Engineer

Lead Engineer for new business unit

Voxer is hiring a lead engineer for this new business unit. You will help to define the enhancements needed across the board to support enterprise use of Voxer. You will then lead the implementation of those enhancements.

You'll get to work on: * Building a new division from the ground up

* Cutting-edge command-and-control systems that will help IT managers keep track of thousands of devices and users e-commerce and billing platforms of Apple, Google, Amazon, eBay, and others

Some of the things we look for are:

* Formal education in Computer Science or equivalent, but the exact degree or number of years of professional experience you have isn't as important as your enthusiasm and ability

* You have probably worked on large enterprise systems and know the pressure of delivering against tight SLAs

* Conversant and comfortable interacting with clients' engineers to understand market needs, train in using our systems, and provide general support

* Experience with Node.js, Riak, and Redis is helpful but not a requirement. These are the technologies we depend on every day.

Apply: http://voxer.com/jobs

Congrats Michael, Ammon & Guillaume! :)

Voxer, San Francisco (SOMA), Full time

Voxer is a Walkie Talkie application for iOS and Android. We launched in 2011 and have since become the fastest growing mobile voice application in the world. We're also the largest user of Node.JS in the world.

What we've built is already an important part of the daily lives of millions of people. We're making voice communication faster, more efficient, and more social. Our goal is ambitious - we're building the next generation communication service at the intersection between phone calls and SMS.

We're a surprisingly small team doing this. Only about a dozen engineers who previously worked at Danger, Android, Apple, Twitter and Heysan(YC07). We helped build things like redis for node.js and are contributors to the node.js community.

Ryah Dahl talks about Voxer: http://www.youtube.com/watch?feature=player_detailpage&v...

We use a lot of:

★ Node.js

★ Riak

★ Redis

We try to stay out of the spotlight and focus on building something amazing. The problems we're facing are at a scale only seen at companies like Twitter and Facebook and we're looking for exceptional people who can help us tackle them.

We're hiring for:

★ Node.js / Infrastructure Engineer

★ Analytics / Hadoop Engineer

★ Data Scientist

★ Android Engineer

★ Engineering Internship

★ Growth Engineer

★ iOS Engineer

★ iOS Product Manager

★ QA Client Automation Engineer

★ Engineering Recruiter / Talent Lead

http://voxer.com/jobs

http://techcrunch.com/2012/01/10/popular-like-voxer/

http://techcrunch.com/2012/04/11/walkie-talkie-app-voxer- goes-big-ivp-and-intel-lead-30-million-round/