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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]
The Mobile Package contains server-side tracking codes that use PHP, JavaServer Pages, ASP.NET, or Perl for its server-side language. [48] However, many ad filtering programs and extensions such as Firefox 's Enhanced Tracking Protection, [ 49 ] the browser extension NoScript and the mobile phone app Disconnect Mobile can block the Google ...
Email tracking or email tracker is a method for monitoring whether the email message is read by the intended recipient. [1] Most tracking technologies use some form of digitally time-stamped record to reveal the exact time and date when an email is received or opened, as well as the IP address of the recipient.
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 ...
Facebook used a combination platform based on HBase to store data across distributed machines. Using a tailing architecture, events are stored in log files, and the logs are tailed. The system rolls these events up and writes them to storage. The user interface then pulls the data out and displays it to users. Facebook handles requests as AJAX ...
Gmail allows users to conduct advanced searches using either the Advanced Search interface or through search operators in the search box. Emails can be searched by their text; by their ‘From’, ‘To’ and ‘Subject’ fields, by their location, date and size; by associated labels, categories and circles, by whether or not the message is read, and by whether or not the message has an ...
The term login comes from the verb (to) log in and by analogy with the verb to clock in. Computer systems keep a log of users' access to the system. The term "log" comes from the chip log which was historically used to record distance traveled at sea and was recorded in a ship's log or logbook.