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Scribe was a server for aggregating log data streamed in real-time from many servers. It was designed to be scalable, extensible without client-side modification, and robust to failure of the network or any specific machine. Scribe was developed at Facebook and released in 2008 as open source. [1] [2]
Session replay is the ability to replay a visitor's journey on a web site or within a mobile application or web application.Replay can include the user's view (browser or screen output), user input (keyboard and mouse inputs), and logs of network events or console logs.
Web tracking is the practice by which operators of websites and third parties collect, store and share information about visitors' activities on the World Wide Web.Analysis of a user's behaviour may be used to provide content that enables the operator to infer their preferences and may be of interest to various parties, such as advertisers.
Facebook has been criticized heavily for 'tracking' users, even when logged out of the site. Australian technologist Nik Cubrilovic discovered that when a user logs out of Facebook, the cookies from that login are still kept in the browser, allowing Facebook to track users on websites that include "social widgets" distributed by the social ...
Click tracking is when user click behavior or user navigational behavior is collected in order to derive insights and fingerprint users. [1] [2] Click behavior is commonly tracked using server logs which encompass click paths and clicked URLs (Uniform Resource Locator).
To display and monitor the collected logs one needs to use a client application or access the log file directly on the system. The basic command line tools are tail and grep . The log servers can be configured to send the logs over the network (in addition to the local files).
Facebook enables users to control access to individual posts and their profile [120] through privacy settings. [121] The user's name and profile picture (if applicable) are public. Facebook's revenue depends on targeted advertising, which involves analyzing user data to decide which ads to show each user.
In August 2007 the code used to generate Facebook's home and search page as visitors browse the site was accidentally made public. [6] [7] A configuration problem on a Facebook server caused the PHP code to be displayed instead of the web page the code should have created, raising concerns about how secure private data on the site was.