Lê Hoàng trung Unit 3 – Question 1

Social media is one of the popular computer-based technologies that facilitates communication between people and sharing information. According to statistics from eSafety commissioner, YouTube, Facebook and Instagram are the most popular social media services among Australian teens aged 13 to 17 years. Understanding the information we share, intentionally and inadvertently, and protecting the data is of critical importance. Users need to develop skills necessary to analyse the impact of their data traces.
Apps are usually developed for smart devices such as smart phones, tablets and televisions. Typically an app creates data movement between a local device and an application server, which can create security and privacy risks.
Other than the face in the image, the photograph does not have any identifying data on the surface. However, the meta data or Exchangeable Image File (EXIF) embedded into the file at the time the image was captured holds specific identifying and technical data. You can see from the screenshot the exact day, time and location as well as the file type and size. Various online tools are available to explore EXIF data but most social media platforms, such as Facebook, Instagram and Twitter strip the location data from an image. There are conflicting opinions around what happens with the data stripped by social media platforms and whether this process is done to protect the identity of the user, or to remove metadata which identifies ownership of the image. IPTC Photo Metadata strongly advocates against removing metadata and conducts and publishes the results of their Social Media Platforms survey outlining how various sites handle embedded metadata. Emailing or texting images will not remove sensitive data and could lead to a breach of digital privacy if sharing images
By critically examining and questioning how algorithms impact the personalisation of web searches we can put measures in place to ensure that we are exposed to a wide range of content. Broadening our world view provides students the opportunity to bring a different perspective when developing a digital solution to a real-world problem (ACTDIP028).
As web-based advertising can further the effect of the filter bubbles by exposing users to more of the same content, we can reduce this by adjusting browser settings using ‘Manage your Google Account’. Check your settings in all these sections:
• Search history
• Web and App Activity
• Location history
• YouTube history
• Turning off targeted ads – Ad Personalisation
• Downloading browser extensions e.g. Ad blocking
• Vulnerability to network outages removing access to information that is not available locally
• Large amounts of information that can be hard to trace
• Exposure to people across a network that may not be who they say they are.

Active electronic footprint:
Active digital footprint is data that you intend to submit online. It is created when a user’s personal data is actively released by them for the purpose of sharing information through websites and social networks such as Facebook, Instagram, Twitter.
• Send an email to someone else, you are actively wanting the recipient to read the information you want to send.
• Agree to install cookies on your device when prompted by the browser.
• Posts on social networks such as Facebook, Instagram, Zalo,…
Passive Electronic Footprint:
Passive digital footprint is created when users’ data is collected silently without their knowledge. Information may be collected by technology companies such as browsing data, IP addresses, purchase information, for advertising or customer profiling purposes and other purposes.
• When you visit a certain website, the server will collect your personal information, know your search history and find the IP address on the device you are using. If you pay attention, you will see that after accessing these websites, using social networks or certain applications will show ads about the previous search content. Specifically, you go to Traveloka to view flight information or book tickets, about a day later on social networks you will see a lot of flight information or Traveloka ads on other applications such as the English app TFlat Dictionary such as.
• Or advertisers use your likes, shares and comments to profile you and to serve ads based on your needs and wants.
How customers leave an electronic footprint:
• Websites and online shopping channels: there are cookie systems that store all the data that consumers have made on the online system, track every consumer’s every move and allow Targeted Advertising to reach them.
• Social networks: social network users have a habit of sharing personal information on social networks to interact with their friends and relatives and their interaction activities (like, comment, share). sharing, posting photos,…) are recorded. At the same time, social networking sites also regularly update and introduce policies and settings to enhance user data tracking when consumers often click “Agree” without caring about the content. content of the policy.
• Mobile phones, tablets, laptops: websites often allow consumers to access using multiple devices. While this is often seen as a way to secure their account information, it is also a way to collect data about consumer habits.

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