Reader Poll: Do You Know How Cell Phones Work?

Some recent litigation has raised an interesting question about how many people know the basics of how cell phones work. I want to test the question with a reader poll. (Sorry the formatting is bad — same problem as before.)

Here’s the issue. Cell phones are able to place and receive phone calls because they maintain contact with individual nearby cell towers, which are local broadcasting towers connected to the rest of the phone network. Whenever a cell phone is on, it is either in contact with a local cell tower (to let the tower know where the phone is located) or else trying to contact a local tower (which the user sees as the cell phone “searching” for a signal). The phone needs to be in contact with a local cell tower to send and receive calls. If a phone call comes in, the network needs to know where to send the call: The call gets routed to the cell tower which is in contact with the phone. Similarly, for a phone call to go out, it must start at a local cell tower, and the tower in communication with that particular phone will be the tower to do it.

Cell phone users normally don’t have to know this — by design, it’s pretty seamless to the casual user — but they may get a sense of this when they turn on their cell phones or they are driving. When they turn on the phone, it takes a few seconds for the phone to locate and establish communication with a local cell tower. And when a person is driving, they may have their calls dropped because the phone call needs to be handled by a new tower as the phone moves from one region to another. The switch from tower-to-tower can go wrong and the call will be dropped. Anyway, the consequence of how cell phones work is that the cell phone provider — Verizon, AT&T, etc. — can collect records of roughly where a phone is located based on what cell towers a phone is communicating with when the phone is turned on.

Here’s the question for readers: Before you read this post, did you know that this is how cell phones work? Please answer yes or no, and be sure to fill in the correct category for your age: Under 25, 25 to 45, and over 45. Many thanks.

Before you read this blog post, did you know that cell phones must send location information to the phone network in order to send and receive calls?
Yes, I knew this. I am under 25 years old.
Yes, I knew this. I am between 25 and 45 years old.
Yes, I knew this. I am over 45 years old.
No, I did not know this. I am under 25 years old.
No, I did not know this. I am between 25 and 45 years old.
No, I did not know this. I am over 45 years old.
  
Free polls from Pollhost.com

Again, my apologies for the strange formatting. I spent about 20 minutes trying to fiddle with the code to correct the problem, but I couldn’t get it to work.

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