Humans are capable of discovering and creating great things with the help of science and one such impressive discovery is that green, living plants can generate electricity. It may seem unbelievable, but not impossible.
One must be wondering how this technology works. Well, the answer is quite simple; photosynthesis. Plants excrete organic matter into the soil as a result of photosynthesis. Only some of the organic matter is used by plants and the rest is released in the soil. This released organic matter is broken down by bacteria. In the breakdown process, electrons are released as a waste product. Since the movement of electrons produces electricity, these electrons, which are of no use to the plant, can be harvested. The best part about this innovation is that the plants from which energy is being generated are not affected in any way.
This idea was first put into use by a Dutch start-up called Plant-e. This company was launched in September 2009 and is successful in launching and selling many environment- friendly products like DIY kits to the public for experimentation purposes and modular systems which could be easily installed on green roofs for abundant electricity production. Plant-e is involved in various projects, within The Netherlands, like automatic lighting systems in gardens and many more.
This technology works with the plants which thrive in moist soils and where the water is present in abundance. Therefore marshlands, paddy fields and deltas are some of the most suitable places for setting up plant batteries as a huge amount of water is present in those areas. Hence, the use of this technology is limited to certain geographic areas containing moist soils and cannot be used in arid regions. It may, however, promote the growth of more trees and plants which will gradually reverse the malicious effects of global warming.
Another obstacle in widespread adoption of this technology in today’s time is the high cost of installation of the system. The initial adopters of this technology are those who are attracted by the efficiency and eco-friendly nature of the plant batteries and willing to pay a premium for it.
The concept of plant batteries can be further taken into rural areas where most of the population still does not have access to adequate electricity. It is estimated that plant-MFC technology can cover upto 20% of European Union’s primary future electricity needs. Also, plants are almost 100% efficient at converting photons from sunlight into electrons which indicates a bright future for this technology. However, more research needs to be done in this field.
Another innovation in the field of green electricity is using algae , which often grows in ponds and rivers, for generating electricity. The basic concept which explains the working is similar to the way plants are able to produce electricity; photosynthesis.
Various other ventures in the field of renewable energy also include vegetable batteries, meaning, electric power generated from fruits and vegetables like lemons, tomatoes and potatoes, have been investigated. According to experiments, at least 3 to 4 vegetables are required just to light a small LED bulb. Moreover, it leads to poisoning of the vegetables and those food products need to be thrown away, without being useful for consumption purposes. It is therefore not a viable option for energy production.
Plant based electricity generation is still an evolving technology which has immense potential for producing energy in an environmentally sustainable way. It will realise full potential when the installation cost is attractive enough for the farmers to prefer it over the electricity grids or fossil fuel based personal electricity generator sets.
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WhatsApp's New Privacy Policy: Collecting Metadata and Its Implications
According to WhatsApp’s new privacy policy, the app is set to collect “only” user’s Metadata. Metadata can reveal a lot more than merely the app usage of a person. Former NSA General Counsel Stewart Baker stated, “Metadata absolutely tells you everything about somebody’s life. If you have enough metadata you don’t really need content.”
This article explores the ways in which WhatsApp is underselling the true estimation of the significance of Metadata.
Facebook owned WhatsApp recently announced the update of its privacy policy terms. 8th of February, 2021 was initially set as the deadline for users to either accept the new privacy policy or delete their account. By this time, most of us have already witnessed or been a part of the backlash that WhatsApp is experiencing. LocalCircles conducted a survey and the results indicated that 15% of India’s users are likely to move away entirely from the app while 36% will drastically reduce the usage and 67% of users are likely to discontinue chats with WhatsApp business accounts.
To reinstall trust in its users, WhatsApp released a clarification stating that the new policy update doesn’t compromise privacy of messages with friends and family. Furthermore, it explains that the update includes changes related to WhatsApp business accounts are optional too.
However, owing to severe backlash, WhatsApp has pushed the deadline to May 15 while they further clarify their policy updates.
It is true that WhatsApp cannot read our messages as it is end-to-end encrypted which implies that only a message’s sender and receiver can read it. The updated privacy policy intends to alert users that some businesses would soon be using Facebook-servers to store messages with their customers. By accepting the new privacy policy, users will be allowing WhatsApp to reserve all rights to collect your data and share it with the expansive Facebook and Instagram networks ‘regardless of whether you have profiles on those apps.’
By using WhatsApp, you may now be sharing your usage data, your phone’s unique identifier, your location when the location service is enabled, among several other types of metadata. A culmination of all your metadata is linked to your identity.
The value of metadata has been underestimated since the term isn’t clearly understood. Metadata is data about our data. For instance, in a cell phone conversation, the conversation itself isn’t metadata but everything except that is metadata. Data regarding who you called, how long you spoke for, where you were when you placed the call, where the other person on the line was and the time you placed the call. Consider a situation when every time you made a call to someone, you had to inform a particular person about who you called, how long you spoke for, when and where and all other details except the content spoken. This applies for every single call and everyone else’s metadata is also being recorded. The person owning the metadata can analyze and tell a lot about your personal life. Who you work with, who you spend time with, who you are close to, where you are at particular times and so on…
Kurt Opsahl, in his post in the Electronic Frontier Foundation, gives an example of how companies and governments collect intimate details about your life with the disguised use of the word called metadata. The following examples are an excerpt of his article:
“They know you rang a phone sex service at 2:24 am and spoke for 18 minutes. They know that you called suicide prevention hotline from the Golden Gate Bridge.
They know you spoke with an HIV testing service, then your doctor, then your health insurance company in the same hour.
They know you called a gynaecologist, spoke for a half hour, and then called the local Planned Parenthood's number later that day. But nobody knows what you spoke about.”
Metadata provides more than required context to know some of the most intimate and personal details of your lives. When this data is correlated with the records of other phone calls, one can easily obtain a lot more data and track our daily routines. This is merely about phone calls. WhatsApp includes a lot more features and will collect metadata of chats, businesses and money transactions.
In WhatsApp’s words:
“We collect service-related, diagnostic, and performance information. This includes information about your activity (such as how you use our Services, how you interact with others using our Services, and the like), log files, and diagnostic, crash, website, and performance logs and reports.”
In addition to this, WhatsApp also collects information about IP address, OS, browser information and phone number.
Stanford’s computer scientists conducted an analysis to understand the extent of intrusion of privacy using metadata. The scientists built an app for smartphones. The app was developed to retrieve metadata of calls and text messages from more than 800 volunteers’ phone logs. The researchers received records of more than 250,000 calls and 1.2 million texts. Their inexpensive analysis revealed personal details of several people like their health records. Researchers were also able to learn that one of their participants owned an AR semi-automatic rifle with only metadata.
Gen. Michael Hayden, the former head of the National Security Agency once stated that “the U.S. government kill[s] people based on metadata.”
In 2016, Facebook was involved in the infamous data privacy scandal which centered around collection of personal data of over 87 million people by Cambridge Analytica, a political consulting and strategic analyst firm. The organization harvested user data for targeted advertising, particularly political advertising during the 2016 U.S. election. While the central offender was Cambridge Analytica, the apparent indifference for data privacy to Facebook facilitated Cambridge Analytical and several other organizations.
In June 2018, Facebook confirmed that it was sharing data with at least 4 Chinese companies, Huawei, Oppo, Lenovo and TCL. Facebook was under scrutiny from the U.S. intelligence agencies on security issues as they claimed that the data with the Chinese telecommunication companies would provide an opportunity for a foreign espionage.
In September 2019, there were reports that the Indian government contemplated making it mandatory for companies like Google, Facebook, and Amazon, to share the public data of users.
The Ministry of Electronics and IT (MeitY) was planning on issuing new guidelines under the Information Technology Act which according to which tech giants would have been required to share freely available data or the public information that they collate in the course of their operations, including traffic, buying and illness patterns.
Europe is exempted from WhatsApp’s new privacy policy as EU antitrust authorities fined Facebook 110 million euros for misleading the regulators during the takeover of WhatsApp in 2014. EU’s strict privacy laws empowers regulators to fine up to 4% of global annual revenue of the companies that breach the bloc’s rules.
Your Metadata is extremely personal. By giving WhatsApp the authority to access it, you are giving access to several other organizations, businesses and it also makes you more vulnerable to third-party hackers and trackers. WhatsApp has given multiple assurances about its updated privacy policy being noninvasive. However, most of these assurances are cleverly worded and misleading statements. It is important to read through the fine print of the new policy before accepting it.
