Data can be transferred using ultrasonic frequencies,

Legit Uses -

Google Tone Google Tez

Bad Thing -

It has been used in the past for malicious activity by governments (if you know, you know).

I can be used to track people, like people's devices screaming their ID and devices receiving other devices IDs.

Imagine a mall with ultrasonic beacons, and for iOS and Google Play Services, hear that.

Reports -

https://techcrunch.com/2018/01/02/some-apps-were-listening-to-you-through-the-smartphones-mic-says-report/

https://thehackernews.com/2017/05/ultrasonic-tracking-signals-apps.html

https://www.youtube.com/watch?v=1n_8zDIFmQU

Solution ?

How to stop my devices like browsers, Windows PC, macOS, Android, and Android apps, from sending and receiving these frequencies

THis is a dead Chrome extension - https://github.com/ubeacsec/Silverdog

Title

There are many formats for blocklists for Domain, Subdomain, URL, Filterlist

Like uBlock, Adblock, AdGuard

Which are compatible with which

What are the pros and cons of each

https://play.google.com/store/apps/details?id=com.mmi.maps

Pros

Good Filtering and Easy and Free

Cons:

You tell a company your IP changes

Websites and tell your unique DNS

1. Follow accounts with/out account. Assume I have a list of account URLs in bookmark folder How to convert it to RSS and have bookmarks and RSS in Sync.

2. Accounts can change username, need to use the API to convert usernames to some id and back to usernames.

3. Suggest similar accounts.

4. Discover page.

1. Extract proxy from lists in different formats, like JSON, IP:Port:Country , and website tables.

2. Merge them into a single list

3. Filter them - only select country, protocol, and fields like anonymity

4. Test performance

5. Auto-change FoxyProxy's specific proxy setting

Ideally I am looking for a printer with

1. opensource - Hardware, firmware, drivers, All OS support,
2. No Shenanigans like mixing up colors, wasting ink in storage, hidden codes
3. Easy to maintain and repair,
4. low ink cost
5. No Wifi or bluetooth

• Water Purifier, Ceiling Fan, Washing machine Dish Washer Fridge

How do I disable them ?

It can be turned against us -

Location Beacon Wire+Speaker - Audio Spying Customer Tracking Killing a product early to increase sales Selling Customer Habits Radiation