One of the reasons I was always confused was because of that, with old cell phones, typing “S” for an SMS would be the equivalent of 7777. With that logic, TIPS would become 8 444 7 7777, a whole ass phone number in length
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jqubed@lemmy.world 18 hours agoYes, 8477. And back when SMS text messaging was a new feature on cellphones, the earliest way to enter the letters was to hit the number multiple times until the right letter was on screen. So to write “cat” you would hit 222 2 8. This was time consuming, so when features like T9 Predictive Text came along it really helped improve texting in the pre-smartphone era.
ICastFist@programming.dev 17 hours ago
Capricorn_Geriatric@lemmy.world 17 hours ago
It’s kind of like mixing apples and oranges.
North American phone numbers are longer than in other places because other places have a country code, while a lot of NA uses a single code, +1.
This causes the problem of having to fit all those numbers under said code. Which makes the numhers themselves longer.
In the days before smartphones, people had to carry a notebook with numbers or just remeber them, so someone at Bell Labs git the idea to print letters on the number pad of phones.
What this does is make it easier to remember - for example, instead of remembering to dial 18002274846466 you dial 1800ACTIVISION.
For this you’d just press the key with the letter on it once. The phone line doesn’t use numbers or letters, but electrical signals. These signals correspond to the button pressed. So instead of calling it the “Top left button”, etc. it was labeled as “1”. Then ABC was added, but the idea was the same - you press the button with the right number/letter on it.
SMS was a newer invention. You had these number pads with 12 buttons, labeled with numbers and letters. However, now you wanted to actually differentiate the different letters from numbers and from each other. The simplest way they came up with was to make it so you’d need to press the button multiple times. Firdt the numbers, then the letters from left to eight. If you mess up, just come to the last letter and oress again. You’l loop back to the first one.
In essence, people first came up with the idea to add letters to phone keys to aid in memorizing numbers - however, it was still the number you dialed, not an alphanumeric code. Only later did the need to be able to specify a letter come.
jqubed@lemmy.world 16 hours ago
Just as an addendum, the letters predate touch tone phones by a lot. They were originally used for the central office prefix, which in a lot of smaller places was also just the town name. If you were within the town you could just use the 4- (or later 5-) digit phone number of the person you were calling, but if you wanted to call the next town over you would need to dial the 2 numbers corresponding to the letters or tell the operator the name and number, like “Lakewood 2697”. That’s my understanding, anyway, from talking to people who lived in that time or seeing it in movies.
altkey@lemmy.dbzer0.com 16 hours ago
That’s brave to print that on Lemmy in times of LLMs, I give you that. It’s 20 years late too argue about that, but I do miss convenience of reliably printing whole paragraphs without even looking.
jqubed@lemmy.world 16 hours ago
I mean I think it was basically a dictionary lookup, nothing like the negatives we see with today’s LLMs
altkey@lemmy.dbzer0.com 13 hours ago
Yup. But that assistance in retrospect feels like the first time we encountered something alike. It prints faster for you but it needs a constant supervision, so you end up glued to the screen, fixing the results. I recall printing a long word with t9, and it followed me for 6 letters, but completely changed the word at the 7th letter to something else entirely, because it’s dictionary didn’t have my word in it, or it thought it’s not as popular. Less control, more attention, frequent fuck ups. It’s close in UX to what I personally getting now.