Publications

February 2008 (Revised June 2011)
Background Note

Social Networks: The Portals of Web 2.0

By: Stephen P. Bradley and Nancy Bartlett

Social networks have evolved into influential, compelling and persuasive systems, the portals of Web 2.0 and one of the most powerful media phenomena in 2008. This note provides a brief background and description of various social network sites including MySpace,... View Details

Keywords: Web; Technology; Networks; Information Technology Industry

2012
Working Paper

With Us or Against Us? Networks, Identity and Order in a Virtual World

By: Magnus Thor Torfason

Social networks and social groups have both been seen as important to discouraging malfeasance and supporting the global pro-social norms that underlie social order, but have typically been treated either as pure substitutes or as having completely independent effects.... View Details

Keywords: Social Norms; Social Networks; Triadic Closure; Social Groups; Group Identity; Groups and Teams; Boundaries; Organizations; Identity; Social and Collaborative Networks; Societal Protocols

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2011
Article

Smart News Feeds for Social Networks Using Scalable Joint Latent Factor Models

By: Himabindu Lakkaraju, Angshu Rai and Srujana Merugu

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2000
Working Paper

Resources, Power and Prestige: Formulation of Structural Inequality in Social Exchange Networks

By: Bharat Anand and M.J. Piskorski

April 2012 (Revised March 2014)
Case

Social Strategy at Nike

By: Mikolaj Jan Piskorski and Ryan Johnson

Nike, which first started experimenting with social media and networking in 2004, has been consistently reducing its spending on traditional advertising. Yet, Nike has not pulled back on its overall marketing budget, instead opting to focus on "nontraditional"... View Details

Keywords: Strategy; Advertising Campaigns; Social and Collaborative Networks; Online Advertising; Apparel and Accessories Industry; Sports Industry

Research Summary

Social Learning

One major area of my research is social learning: the ways and extent to which people discover what they want and need from the behavior and opinions of others. Social learning takes many forms. Probably most obvious is word of mouth—the advice and... View Details

2009
Book

Social Decision Making: Social Dilemmas, Social Values, and Ethical Judgments

By: Roderick M. Kramer, Ann E. Tenbrunsel and Max H. Bazerman

This book, in honor of David Messick, is about social decisions and the role cooperation plays in social life. Noted contributors who worked with Dave over the years will discuss their work in social judgment, decision making, and ethics which was so important to Dave. View Details

Keywords: Judgments; Ethics; Values and Beliefs; Social and Collaborative Networks; Cooperation

Find at Harvard

October 2015
Case

Facebook: The First Ten Years

By: Shane Greenstein, Marco Iansiti and Christine Snively

Facebook celebrated its ten year anniversary in February 2014. Over the past decade it has grown into the largest social network in the world with one billion users. After filing an IPO in 2012 at a $104 billion valuation (the third largest IPO in U.S. history), the... View Details

Keywords: Social Networks; Technology; Facebook; Entrepreneurship; Profit; Open Source Distribution; Social and Collaborative Networks; Competition; Competitive Strategy; Internet and the Web; Digital Platforms; Social Media; Information Technology Industry

2021
Working Paper

The Value of Data and Its Impact on Competition

By: Marco Iansiti

Common regulatory perspective on the relationship between data, value, and competition in online platforms has increasingly centered on the volume of data accumulated by incumbent firms. This view posits the existence of "data network effects," where more data leads to... View Details

Keywords: Online Platforms; Data Network Effects; Analytics and Data Science; Value; Competition; Digital Platforms

SSRN

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March 2011 (Revised September 2011)
Background Note

Everyone and Everything is Online

By: Stephen P. Bradley and Nancy Bartlett

The twenty-first century digital world enabled mobile, empowered, content-hungry individuals to capture the value of enabling technologies and applications to manage, create, share, and influence content across the creation and delivery spectrum. Users were online in... View Details

Keywords: Communication Technology; Learning; Entertainment; Power and Influence; Internet and the Web; Value; Web Services Industry

January 2004 (Revised October 2006)
Case

Electronic Arts in Online Gaming

By: Thomas R. Eisenmann and Justin Wong

Electronic Arts (EA), the world's largest independent video-game publisher, must decide whether to support Microsoft's initiatives in online gaming. Historically, EA has been platform-agnostic, releasing versions of its titles for all major console platforms. However,... View Details

Keywords: Corporate Strategy; Digital Platforms; Network Effects; Policy; Customer Focus and Relationships; Games, Gaming, and Gambling; Revenue; Segmentation; Sales; Entertainment and Recreation Industry; Electronics Industry

10 Feb 2009
Conference Presentation

Who Really Is Your Friend? Pursuing Happiness in Your Perception of Social Networks

By: Lalin Anik and Michael I. Norton

2008
Working Paper

I Am Not on the Market, I Am Here with Friends: Using On-Line Social Networks to Find a Job or a Spouse

By: Mikolaj Jan Piskorski

Sociologists have extensively documented that networks influence market exchange through improved matching and vouching. In this paper, I propose that networks can also blunt the signal of market participation, as actors who are on the market surrounded by their... View Details

Keywords: Job Search; Knowledge Use and Leverage; Market Participation; Market Transactions; Social and Collaborative Networks; Online Technology

February 2021
Case

Threadless: The Renewal of an Online Community

By: Shane Greenstein, Karim Lakhani and Christian Godwin

Threadless, an online apparel company and artist community which Jake Nickell founded in 2000, continued to maintain its status as a top company in the online apparel industry during its second decade. From 2010 to 2020, Threadless continued to operate its... View Details

03 Jun 2010
Working Paper Summaries

Platforms and Limits to Network Effects

Keywords: by Hanna Halaburda & Mikolaj Jan Piskorski

17 Jan 2012
Working Paper Summaries

Expectations, Network Effects and Platform Pricing

Keywords: by Andrei Hagiu & Hanna Hałaburda; Entertainment & Recreation

August 2022 (Revised February 2023)
Case

Braintrust: The Blockchain-Powered Talent Network

By: Christopher Stanton, Joseph B. Fuller and George Gonzalez

A San Francisco startup seeks to disrupt the freelancing industry through its user-owned talent network powered by the cryptocurrency, BTRST. View Details

Keywords: Freelancers; Blockchain; Cryptocurrency; Social and Collaborative Networks; Talent and Talent Management; Consulting Industry; Technology Industry; United States

January 2014
Case

Social Strategy at Cisco Systems

By: Mikolaj Jan Piskorski, Daniel Malter and Aaron Smith

In April 2013, Jeanne Beliveau-Dunn, vice president and general manager for Learning@Cisco Systems, was planning the future of the Cisco Learning Network, an online platform hosted at Cisco.com. Since its launch in 2008, the Cisco Learning Network provided content to... View Details

Keywords: Networks; Digital Platforms; Internet and the Web; Competency and Skills; Learning; Web Services Industry

August 2012 (Revised October 2015)
Case

LinkedIn Corporation, 2012

By: David Yoffie and Liz Kind

Since its inception in 2003, LinkedIn had become a leading Silicon Valley institution with a brand name that was recognizable throughout the U.S. and in many countries overseas. As of March 2012, LinkedIn was the world's largest professional network on the Internet... View Details

Keywords: Social Networking; Media; Technology; Strategy; Growth Management; Internet and the Web; Corporate Strategy; Social and Collaborative Networks; Brands and Branding; Social Media; Service Industry; Media and Broadcasting Industry; California