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LinkNYC

LinkNYC is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand LinkNYC rather than just read about it. In short: LinkNYC is an infrastructure project providing free Wi-Fi service in New York City. The office of New York City Mayor Bill de Blasio announced the plan on November 17, 2014, and the installation of the first kiosks, or "Links," started in late 2015.

LinkNYC — main illustration
LinkNYC — illustration

Key takeaways

  • LinkNYC belongs to computer science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect LinkNYC to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of LinkNYC from memory before moving on to harder problems.

Reference excerpt

LinkNYC is an infrastructure project providing free Wi-Fi service in New York City. The office of New York City Mayor Bill de Blasio announced the plan on November 17, 2014, and the installation of the first kiosks, or "Links," started in late 2015. The Links replace the city's network of 9,000 to 13,000 payphones, a contract for which expired in October 2014. The LinkNYC kiosks were devised after the government of New York City held several competitions to replace the payphone system. The most recent competition, in 2014, resulted in the contract being awarded to the CityBridge consortium, which comprises Qualcomm; Titan and Control Group, which now make up Intersection; and Comark. All of the 9.5-foot-tall (2.9 m) Links feature two 55-inch (140 cm) high-definition displays on their sides; Android tablet computers for accessing city maps, directions, and services, and making video calls; two free USB charging stations for smartphones; and a phone allowing free calls to all 50 states and Washington, D.C. The Links also provide the ability to use calling cards to make international calls, and each Link has one button to call 9-1-1 directly. CityBridge has also installed 32-foot-tall (9.8 m) poles under the Link5G brand, which provide both Wi-Fi and 5G service. The project brings free, encrypted, gigabit wireless internet coverage to the five boroughs by converting old payphones into Wi-Fi hotspots where free phone calls could also be made. As of 2020, there are 1,869 Links citywide; eventually, 7,500 Links are planned to be installed in the New York metropolitan area, making the system the world's fastest and most expansive. Intersection has also installed InLinks in cities across the UK. The Links are seen as a model for future city builds as part of smart city data pools and infrastructure. Since the Links' deployment, there have been several concerns about the kiosks' features. Privacy advocates have stated that the data of LinkNYC users can be collected and used to track users' movements throughout the city. There are also concerns with cybercriminals possibly hijacking the Links, or renaming their personal wireless networks to the same name as LinkNYC's network, in order to steal LinkNYC users' data. Until 2016, the tablets of the Links could be used to browse the Internet, but they were disabled due to concerns arose about the Link tablets' browsers being used for illicit purposes. The Link5G poles were installed starting in 2022.

History

Payphones and plans for reuse

In 1999, 13 companies signed a contract that legally obligated them to maintain New York City's payphones for 15 years. In 2000, the city's tens of thousands of payphones were among the 2.2 million payphones spread across the United States. Since then, these payphones' use had been declining with the advent of cellphones. As of July 2012, there were 13,000 phones in over 10,000 individual locations; that number had dropped to 9,133 phones in 7,302 locations by April 2014, at a time when the number of payphones in the United States had declined more than 75 percent, to 500,000. The contract with the 13 payphone operators was set to expire in October 2014, after which time the payphones' futures were unknown. In July 2012, the New York City government released a public request for information, asking for comments about the future uses for these payphones. The RFI presented questions such as "What alternative communications amenities would fill a need?"; "If retained, should the current designs of sidewalk payphone enclosures be substantially revised?"; and "Should the current number of payphones on City sidewalks change, and if so, how?". Through the RFI, the New York City government sought new uses for the payphones, including a combination of "public wireless hotspots, touch-screen wayfinding panels, information kiosks, charging stations for mobile communications devices, [and] electronic community bulletin boards," all of which eventually became the features of the kiosks that were included in the LinkNYC proposal. In 2013, a year before the payphone contract was set to expire, there was a competition that sought ideas to further repurpose the network of payphones. The competition, held by the administration of Michael Bloomberg, expanded the idea of the pilot project. There were 125 responses that suggested a Wi-Fi network, but none of these responses elaborated on how that would be accomplished.

Previous free Wi-Fi projects In 2012, the government of New York City installed Wi-Fi routers at 10 payphones in the city (seven in Manhattan, two in Brooklyn, and one in Queens) as part of a pilot project. The Wi-Fi was free of charge and available for use at all times. The Wi-Fi signal was detectable from a radius of a few hundred feet (about 100m). Two of New York City's largest advertising companies—Van Wagner and Titan, who collectively owned more than 9,000 of New York City's 12,000 payphones at the time—paid $2,000 per router, with no monetary input from either the city or taxpayers. While the payphones participating in the Wi-Fi pilot project were poorly marked, the Wi-Fi offered at these payphones was significantly faster than some of the other free public Wi-Fi networks offered elsewhere. The Manhattan neighborhood of Harlem received free Wi-Fi starting in late 2013. Routers were installed in three phases within a 95-block area between 110th Street, Frederick Douglass Boulevard, 138th Street, and Madison Avenue. Phase 1, from 110th to 120th Streets, finished in 2013; Phase 2, from 121st to 126th Street, was expected to be complete in February 2014; and Phase 3, the remaining area, was supposed to be finished by May 2014. The network was estimated to serve 80,000 Harlemites, including 13,000 in public housing projects who may have otherwise not had broadband internet access at home. At the time, it was dubbed the United States' most expansive "continuous free public Wi-Fi network."

Bids

… excerpt ends here. Continue reading the full article.

Illustrations

LinkNYC illustration
LinkNYC illustration
LinkNYC: One of New York City's 9,000 to 13,000 dated payphones at the Myrtle–Willoughby Avenues subway station
One of New York City's 9,000 to 13,000 dated payphones at the Myrtle–Willoughby Avenues subway station
LinkNYC: A historical overview of entities involved in the LinkNYC project
A historical overview of entities involved in the LinkNYC project
LinkNYC: Link installation
Link installation

Worked examples

Example 1 — a first encounter with LinkNYC

Start with the simplest possible case. Write down what LinkNYC claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to LinkNYC before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about LinkNYC ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of LinkNYC

In research
LinkNYC appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses LinkNYC in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
LinkNYC is common in secondary-school and first-year university syllabi. It links to neighbouring topics Communications in New York City, Government of New York City, Municipal wireless networks, so understanding it makes those chapters shorter.
In everyday life
Look for LinkNYC outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study LinkNYC in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what LinkNYC means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain LinkNYC out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is LinkNYC in simple terms?

LinkNYC is an infrastructure project providing free Wi-Fi service in New York City. The office of New York City Mayor Bill de Blasio announced the plan on November 17, 2014, and the installation of the first kiosks, or "Links," started in late 2015.

Why does LinkNYC matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study LinkNYC?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on LinkNYC.

Tags

  • Communications in New York City
  • Government of New York City
  • Municipal wireless networks
  • Public phones
  • Qualcomm

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