Editor’s note: This guest post is written by Erica Kochi , the co-lead of Tech Innovation at UNICEF. Her team started UNICEF’s open source RapidSMS platform which has been adopted in developing countries worldwide. She co-teaches a class ”Design for Unicef” in NYU’s ITP Program, and has lectured at Harvard, Yale, and Columbia University on leveraging technology and design to improve international development.

Continuing our trio of daily video highlights from Disrupt NY, Day 2 of the conference featured talks with Andreesen Horowitz’s Jeff Jordan , Sequoia’s Roelof Botha , and SV Angel’s Ron Conway . We also asked our Aol CEO Tim Armstrong some tough questions

Did you miss some of our NY Disrupt conference this week? Or want to watch it again

Editor’s Note:  TechCrunch  columnist  Semil Shah  currently works at  Votizen  and is based in Palo Alto. You can follow him on Twitter  @semil If you feel there’s been too much hype about “ big data ” recently, check this out: the Chief Technology Officer of the United States of America — Todd Park — wants developers and entrepreneurs to build new products, services, and companies using free data provided by the federal government.

Some significant changes afoot at social and mobile games company Digital Chocolate : founder Trip Hawkins has stepped down as the CEO of the company.

Editor’s Note:   This guest post is written by  Kwindla Hultman Kramer , who is the CEO of  Oblong Industries  — the company known for developing the gestural interfaces in the film  Minority Report . The company’s current customers and partners include Boeing, SAP, GE, and others. When I was a boy of 14, my father was so ignorant I could hardly stand to have the old man around

Editor’s note: Bill Ready is CEO of Braintree , an online and mobile payments provider. Every day there is a new headline about mobile payments focused on using a mobile phone to pay at retail locations

Editor’s Note: Nir Eyal is the founder of two acquired startups and an advisor to several Bay Area companies and incubators. Nir blogs about the intersection of psychology, technology, and business at NirAndFar.com . Follow him on Twitter @nireyal .