The Zevvlog

/ˈzeəvlɒg/ noun (s.)

an absurdly agreeable corner of the internet with memes, stories and updates from a British-baked mobile network.

The length of an SMS Part 2: More Encoding Adventures

21 Feb 2020

Did you read part 1? If not, you should definitely read part 1. To sum up: Computers only understand 1s and 0s (bits). A byte is 8 bits. Computers use bytes to represent things we understand, like the alphabet and emoji. How they do that is called encoding. Unicode exists;...


Show me the money

31 Jan 2020

If you’re interested in what makes companies work, financial statements are like a window to their soul. Balance sheets are great, but only show you a snapshot in time and may have looked very different a week earlier. Profit and loss statements (P&L, also known as income statements), however, are...


The length of an SMS Part 1: Bits of Encoding

24 Jan 2020

If you’ve ever wondered why a text message (or SMS for Short Message Service) is split in 2 (or 3 or 5), or why some texts are shorter than others; this post will go into some quirks of SMS and why that is. This was originally one long post, but...


All about call records

17 Jan 2020

The first phones came in pairs, like wired walkie-talkies or fancy tin can telephones. If you took one and gave the other to Charlotte, you’d have a hard time if you wanted to talk with James. Eventually the idea of central exchange came about, stolen from the telegram industry (not...


Rewarding rewards

10 Jan 2020

Reward programs feel good. Go about our shopping rituals and get rewarded for it, what’s not to like?! As far as I can tell, they date back to the 1700s in the US where copper tokens were given to shoppers to redeem on later purchases. Fast forward 300 years and...


2020 vision

03 Jan 2020

Hello, and Happy New Year! It wouldn’t be a new year, let alone a new decade, without a bunch of yearly-review posts. Without further ado… The Zevvle story so far First things first… we launched a mobile network! After ~18 months in the works, that was an exciting day. Watching...

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