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Some Facts of Social Networks and Crowdsourcing

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Some Facts of Social Networks and Crowdsourcing Some Facts of Social Networks and Crowdsourcing Zheng Yang & Wei Xi Tsinghua University & Xi’an JiaoTong University [email protected] & [email protected] Outline • Online Social Networks* • Crowdsourcing *: a survey by InSites Consulting Studied countries 9027 consumers (age 15+) across 35 countries, representative for the online population within country on gender, age and e-commerce. Data collected on online research panels, field in Q2 2011. Feedback: @Steven_insites 3 Awareness of Facebook is close to 100% More than 1 billion people (>70% of internet population) use social networks. 4 Based on the data from participating countries, we make the following assumption. In Europe, 50% is member of only 1 social network, mostly Facebook. People use more than Facebook. In Europe, people join on average 1,9 social networks. In USA it’s 2,1; Brazil 3,1 and India 3,9. Awareness Top 3 networks Facebook 96% Twitter 80% In Europe MySpace 70% Membership Facebook 62% Twitter 16% MySpace 12% Average Facebook session lasts 37 minutes, Twitter 23 minutes. More than 400 million people use Facebook daily. 9 >600 million people use social networks at least daily 58% of Facebook users log-in at least Daily (>400M) 37 minutes is the average time members spend each time they log in to Facebook There is a big Twitter paradox: 80% is aware of Twitter, only 16% is using it. 13 Vkontakte is big in Eastern Europe: 55% awareness, 39% penetration. 14 Difficult for new social networks to succeed. 60% does not want any new social networks. 93% is happy with what they have and won’t in- or decrease. 15 40% EUROPE LinkedIn 35% High Twitter 30% Facebook 25% Vkontakte to Big social networks Netlog 20% Tagged Orkut Xing Ning Hyves will get bigger and small Badoo Increase 15% Intention QZone ones will get smaller. Hi5 Bebo MySpace 10% Friendster 5% Low 0% 0% 10% 20% 30% 40% 50% 60% Low Current network penetration High N Europe = Min 43 – Max 4968 / F = If member of social network 16 Facebook, Twitter and Linkedin are reaching the mass market. Smaller/ newer social networks are facing a challenge… People connect online with their offline friends. People love to connect to people. 18 People connect with people they know! Reasons to connect with other people on social media Q : Why does a person belong to your network? Europe Europe regions ...we have been friends, neighbours, 0% 25% 50% 75% 100% classmates, etc. since our childhood 71% ...we work(ed) together 59% ...we have the same friends offline 46% ...we have the same friends online 43% ...we originate from the same region / location 37% ...(s)he invited me to belong to his/her social network 37% ...we have the same hobbies 34% Connections are ...we work in the same sector 31% driven by close, ...we share the same education 27% offline, personal ...we share the same kind of humor 23% relationships. ...we have the same political ideas, ideologies, etc. 17% ...we are/were both in the same youth 16% movement ...we use the same products / services 12% ...we have the same personal style 10% ...we love the same brands 9% Europe West ...(s)he's a celebrity 8% North East ...(s)he's an opinion leader 7% South N Europe = 5613 / F = If member of social network(s) 38% of internet users has a smart phone. They are more intensive users of social networks than people without a smartphone. 21 On average, people install 25 apps on their smartphone, but only use 12. Most used apps are social network apps. 22 12% of smartphone users makes use of location-based services 4% of smartphone users are familiar with augmented reality. 24 20% of location-based users checks in daily People expect… from location-based services 37% is not using location-based services because of privacy concerns Outline • Survey on Online Social Networks • Crowdsourcing Crowdsourcing 只要人人都献出一点爱，世界 将变成美好的明天 Crowdsourcing + Internet: Data created by users, WEB 2.0 SignalGuru: Leveraging Mobile Phones for Collaborative Traffic Signal Schedule Advisory Two kinds of crowdsourcing in terms of the styles of user paticipathion Active: Wikipedia, SETI@Home, SignalGuru, … Passive: APPJOY, reCAPTCHA, LiFS, Building Tomography, … 34 Example: APPJOY for APPs Rating 35 36 Wireless indoor localization (fingerprinting-based approaches) needs labrious site survey. 37 LiFS: Cutting off site survey By using new embeded sensors in a smartphone: accelerometer，gyroscope, camera, GPS… 38 Building Tomography Explore building indoor structure through user daily activities collected by smartphones Crowdsourcing is a new perspective of thinking. Tasks previously hard to be done are worth trying. 40 Mobile Social Networks are popular and everywhere. SoLoMo is the source of creation for nowadays Internet. People realize the power of crowdsourcing. Smartphones are the catalyst of these trends. Acknowledgement: Prof. Steven Van Belleghem Managing partner InSites Consulting [email protected] Thanks! Any question? Zheng Yang & Wei Xi [email protected] .
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