Oct 30 2008

World Map of Flickr Privacy Settings

by at 2:14 am

World Map of Flickr Privacy Settings

TechCrunch and ReadWriteWeb have written about a slide shared by Yahoo!’s Principal Research Scientist Elizabeth Churchill on geographical locations where Flickr users are more likely to post their photos with privacy settings (red) or use the default public setting (green). The sample set was 1 million Flickr users who self-reported their locations, in 2005.

Neither Michael Arrington nor Marshall Kirkpatrick share any details of the methodology behind the map, but a quick Google search led me to the presentation from which this slide seems to be taken: ‘Sharing Preferences and Privacy Cultures‘. The presentation itself is based on a paper by Elizabeth Churchill and Shyong K. Lam titled ‘The Social Web: Global Village or Private Cliques?’ The paper is behind a firewall but the presentation gives some more data about the research —

– More than 90% of users younger than 25 post their photos as public. In the 25 to 40 age group, public photo sharing behavior drops, almost in s straight line, to 80% and goes as low as 70% for users in their late 50s and early 60s.

– Public photo sharing behavior follows a S curve when mapped against the number of contacts: it first decreases between 0 to 10 contacts, then increases with the number of contacts to go beyond 90% for more than 30 odd contacts.

– In the world map itself, there are at least five gradations from green to red. It seems that pure red means that about 70% of the users share their photos publicly whereas green means that about 90% of the users share their photos publicly. Since no information is available for the methodology behind the world map, I can only conclude that users in America, Brazil and Russia have a higher tendency to share their photos publicly than users in India, China or Europe.

The conclusion that Indians are more concerned about online privacy than Brazilians and Americans further complicates my research on attitudes towards online privacy in BRIC countries. Another research by Synovate showed that Brazilians and Americans are more concerned about online privacy than Indians, whereas my own understanding is that both Brazilians and Indians are much less concerned about online privacy than Americans.

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Sep 06 2008

Mobile Social Networking Users Consume More Mobile Content Than Average Mobile Subscribers

by at 3:59 pm

Over two online surveys of mobile subscribers (1005 respondents in Nov ’07) and mobile social networking users (514 respondents in Jun ’08), ABI Research (PDF)1 has found that mobile social networking users are younger (18-30), more likely to own a smart phone and more likely to consume mobile content than average mobile subscribers (see spreadsheet) —

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