11 Timeline
Niki Wienberg
Google Maps Timeline is a personal map that helps you remember routes and trips you've taken and places you've been based on your Location History. You can edit your Timeline at any time and delete your Location History in Timeline.
Important: You can find Timeline on the Google Maps app version 9.12 and up. If your Google Maps app is older, go to maps.google.com/timeline on your computer or mobile browser to use Timeline.
To build your Timeline, you need to turn on your Location Services and Location History. Location History is a Google Account setting that creates Timeline, a personal map that helps you remember routes and trips you've taken and places you've been. Learn more about Location History.
Occasionally, you may find mistakes on Timeline. For example, when you're in dense urban areas, Timeline may show that you visited one restaurant when in fact you dined at another nearby. You can help us improve the accuracy of Timeline to limit mistakes by doing the following:
A timeline is a display of a list of events in chronological order.[1] It is typically a graphic design showing a long bar labelled with dates paralleling it, and usually contemporaneous events.
Time and space (particularly the line) are intertwined concepts in human thought. The line is ubiquitous in clocks in the form of a circle, time is spoken of in terms of length, intervals, a before and an after.[3] The idea of orderly, segmented time is also represented in almanacs, calendars, charts, graphs, genealogical and evolutionary trees, where the line is central.[4]
Originally, chronological events were arranged in a mostly textual form. This took form in annals, like king lists. Alongside them, the table was used like in the Greek tables of Olympiads and Roman lists of consuls and triumphs.[5] Annals had little narrative and noted what happened to people, making no distinction between natural and human actions.[6]
In Europe, from the 4th century, the dominant chronological notation was the table. This can be partially credited to Eusebius, who laid out the relations between Jewish, pagan, and Christian histories in parallel columns, culminating in the Roman Empire, according to the Christian view when Christ was born to spread salvation as far as possible. His work was widely copied and was among the first printed books. This served the idea of Christian world history and providential time. The table is easy to produce, append, and read with indices, so it also fit the Renaissance scholars' absorption of a wide variety of sources with its focus on commonalities. These uses made the table with years in one column and places of events (kingdoms) on the top the dominant visual structure of time.[7]
The modern timeline emerged in Joseph Priestley's A Chart of Biography, published in 1765.[10] It presented dates simply and provided an analogue for the concept of historical progress that was becoming popular in the 18th century. However, as Priestley recognized, history is not totally linear. The table has the advantage in that it can present many of these intersections and branching paths. For Priestley, its main use was a "mechanical help to the knowledge of history", not as an image of history. Regardless, the timeline had become very popular during the 18th and 19th centuries. Positivism emerged in the 19th century and the development of chronophotography and tree ring analysis made visible time taking place at various speeds. This encouraged people to think that events might be truly objectively recorded.[11]
However, in some cases, filling in a timeline with more data only pushed it towards impracticality. Jacques Barbeu-Duborg's 1753 Chronologie Universelle was mounted on a 54-feet-long (16 m) scroll. Charles Joseph Minard's 1869 thematic map of casualties of the French army in its Russian campaign put much less focus on the one-directional line. Charles Renouvier's 1876 Uchronie, a branching map of the history of Europe, depicted both the actual course of history and counterfactual paths. At the end of the 19th century, Henri Bergson declared the metaphor of the timeline to be deceiving in Time and Free Will.[12] The question of big history and deep time engendered estranging forms of the timeline, like in Olaf Stapledon's 1930 work Last and First Men where timelines are drawn on scales from the historical to the cosmological. Similar techniques are used by the Long Now Foundation, and the difficulties of chronological representation have been presented by visual artists including Francis Picabia, On Kawara, J. J. Grandville, and Saul Steinberg.[13]
There are many methods to visualize timelines. Historically, timelines were static images and were generally drawn or printed on paper. Timelines relied heavily on graphic design, and the ability of the artist to visualize the data.
Timelines are often used in education[14] to help students and researchers with understanding the order or chronology of historical events and trends for a subject. To show time on a specific scale on an axis, a timeline can visualize time lapses between events, durations (such as lifetimes or wars), and the simultaneity or the overlap of spans and events.
Timelines are particularly useful for studying history, as they convey a sense of change over time. Wars and social movements are often shown as timelines. Timelines are also useful for biographies. Examples include:
Another type of timeline is used for project management. Timelines help team members know what milestones need to be achieved and under what time schedule. An example is establishing a project timeline in the implementation phase of the life cycle of a computer system.
Timelines (no longer constrained by previous space and functional limitations) are now digital and interactive, generally created with computer software. Microsoft Encarta encyclopedia provided one of the earliest multimedia timelines intended for students and the general public. Hyperhistory[15] and ChronoZoom are other examples of interactive timeline software.
The Privacy Sandbox initiative also includes efforts designed to limit covert tracking. These include proposals that address specific covert tracking techniques such as fingerprinting and network-level tracking.
FLoC was a proposal in the Privacy Sandbox designed to cluster people with similar browsing patterns into large groups, or "cohorts". This "safety in numbers" approach was designed to effectively blend any individuals into a crowd of people with similar interests. The development of FLoC stopped in 2021.
Current attempts to restrict cross-site tracking don't address a common scenario: one organization may have related sites with different domain names, and may need to load resources like videos or perform other activities across those domains.
Sometimes, embedded services such as chat widgets or embedded maps need to know about your activity on the given site to work properly. Privacy Sandbox introduces partitioned cookies a.k.a. CHIPS (Cookies Having Independent Partitioned State) that will indicate to browsers that the necessary cookie is allowed to work "across sites" only between the site in question and an embedded widget.
Federated Credential Management aims to bridge the gap for the federated identity designs which relied on third-party cookies. The API provides the primitives needed to support federated identity when/where it depends on third-party cookies, from sign-in to sign-out and revocation.
The User-Agent string specifies details about the browser and device you use so that sites you visit render and function well. However, it is also a significant surface for so-called passive fingerprinting. Client Hints API enables sites to request the information they need directly and will eventually reduce details contained in the User-Agent string, limiting the information shared about you online.
DNS-over-HTTPS is a protocol that encrypts Domain Name System (DNS) queries and responses by encoding them within HTTPS messages. This helps prevent attackers from observing what sites you visit or sending you to phishing websites.
Privacy Budget was a proposal that restricted the amount of identifying information that a site is allowed to access, in order to help prevent the user from being uniquely identifiable. The Privacy Budget is no longer an active proposal as of January 2024.
Storage Partitioning will isolate some web platform APIs used for storage or communication if used by an embedded service on the site, ie. in the third-party context. This effort will help make the web more private and secure while largely maintaining web compatibility with existing sites.
Bounce tracking mitigations reduce or eliminate the ability of bounce tracking to recognize people across contexts, without breaking supported use cases valued by the user that are implemented using stateful redirects.
Not necessarily. Chrome is focused on developing proposals that support key use cases. The set of proposals solving for a particular use case (for example, showing relevant content and ads) may change and evolve over time, with web community feedback and testing. The APIs shown on the timeline are based on current expectations and might change.
Origin trials are one method of testing new web technologies in Chrome. "OT" labels are shown when a Chrome origin trial has been publicly announced, is in progress, or has concluded. We will add new origin trials, and other forms of available testing, on the timeline as part of the monthly updates.
This timeline reflects the use cases Chrome expects to support before phasing out third-party cookies. Many of the proposed technologies shown on the timeline incorporate concepts and feedback from industry and ecosystem stakeholders. We'll continue to engage publicly and review other proposals as we consider the best way to address critical use cases that support the open web ecosystem.
While features are in development they are often made available behind one or more temporary flags (off by default) that can be used to enable and configure their behavior for local developer testing purposes. This may be as command line flags that need to be passed in when launching Chrome or as options in the chrome://flags browser interface.
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