367
Craig Newmark, LinkedIn profile, по состоянию на 1 февраля 2017 года, .
368
Craigconnects, “Meet Craig,” по состоянию на 1 февраля 2017 года, .
369
Craigslist, “[About > Factsheet],” по состоянию на 1 февраля 2017 года, .
370
Henry Blodget, “Craigslist Valuation: $80 Million in 2008 Revenue, Worth $5 Billion,” Business Insider, April 3, 2008, .
371
Craigslist, “[About > Help > Posting Fees],” по состоянию на 1 февраля 2017 года, .
372
Robert Seamans and Feng Zhu, “Responses to Entry in Multi-sided Markets: The Impact of Craigslist on Local Newspapers,” January 11, 2013, .
373
“More than Two-Thirds of US Digital Display Ad Spending Is Programmatic,” eMarketer, April 5, 2016, .
374
“Microsoft and AppNexus: Publishing at Its Best (Selling),” AppNexus Impressionist (blog), November 3, 2015, .
375
Matthew Lasar, “Google v. Belgium “Link War” Ends after Years of Conflict,” Ars Technica, July 19, 2011, .
376
Harro Ten Wolde and Eric Auchard, “Germany’s Top Publisher Bows to Google in News Licensing Row,” Reuters, November 5, 2014, .
377
Eric Auchard, “Google to Shut Down News Site in Spain over Copyright Fees,” Reuters, December 11, 2014, .
378
WhatsApp, “One Billion,” WhatsApp (blog), February 1, 2016, .
379
“WhatsApp Reaches a Billion Monthly Users,” BBC News, February 1, 2016, .
380
Важнейшие работы были сделаны Джо Фарреллом и Гартом Салонером (например, Joseph Farrell and Garth Saloner, “Standardization, Compatibility, and Innovation,” Rand Journal of Economics 16, no. 1 [Spring 1985], 70–83, ) и Майклом Кацем и Карлом Шапиро (Michael Katz and Carl Shapiro, “Network Externalities, Competition, and Compatibility,” American Economic Review 75, no. 3 [June 1985]: 424–40, ).
