3. Web 2.0 Design Patterns Christopher Alexander The Long Tail Data is the Next Intel Inside Users Add Value Network Effects by Default Some Rights Reserved The Perpetual Beta Cooperate, Don't Control Software Above the Level of a Single Device
4. From 1.0 to 2.0 Web 1.0 Web 2.0 DoubleClick --> Google AdSense Ofoto --> Flickr Akamai --> BitTorrent Mp3.com --> KKBox Britannica Online --> Wikipedia personal websites --> blogging domain name speculation --> search engine optimization page views --> cost per click publishing --> participation content management systems --> wikis directories (taxonomy) --> tagging ("folksonomy") stickiness --> syndication
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6. 網路外部性 Wikipedia 某一商品的消費具有 網路外部性 (network externality) 若且唯若任一消費者消費該商品所產生的效用隨著該商品的消費人數的增加而增加。通俗的說就是每個用戶從使用某產品中得到的效用,與用戶的總數量有關。用戶人數越多, 每個用戶得到的效用就越高,網路中每個人的價值與網路中其他人的數量成正比。 這也就意味著網路用戶數量的增長,將會帶動用戶總所得效用的平方級增長。最典型的例子為電話。
7. Web 2.0 Typical application Blog 部落格 : 無名, Blogger Microblog 微型部落 : twitter, buboo Podcast: Podcast.com RSS: 訂閱服務 SNS: Facebook, MySpace, Unis Multimeda: YouTube, Flickr, hiChannel, PPStream Advertising: Google AdSense Tag: 標籤,關鍵字搜尋 Wiki: wikipedia
14. Facebook 簡歷 11/04/08 College students, high school student, college alumni Target user 0.12B (85% of college students), Members 164M/day, 5 th among the world Daily Reach 2004/2/4 Founded
15. Facebook 的策略 策略 1: 快速擴張 2004/2/4 startup, with 10,000 users by late-Feb and 150,000 registered user by June. 找出觸媒社群: students 、 advertiser 、 Developer 專注發現 ( 彼此 ) 需求 快速滲透 2006/9/26 開放一般使用者註冊使用
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19. Facebook 的策略 策略 2: 利用廣告 (banner ads) 賺錢 訂定能使兩邊客群需求平衡的價格 65% of users logging in daily, 85% weekly 85% of college students $300 million, 2008 est.