In the UK, because ISPs "abused" the fact that were was no formal definition of "unlimited" (NTHell kneecapping your speed if you downloaded too much in a given

In the UK, because ISPs "abused" the fact that were was no formal definition of "unlimited" (NTHell kneecapping your speed if you downloaded too much in a given period for example), ISPs now have to disclose up front in plain language things like traffic shaping and speed limiting (and adding them after the fact is grounds to exit your contract early - heck my last ISP increased their standard pricing (which would effect any discounted pricing they offered) by a couple of quid a month and had to offer anyone who wanted to the ability to exit their contract early at no charge). Once a few ISPs started offering "truly unlimited broadband" where they couldn't hide anything, (the big) ISPs that did shape traffic speed limit where now fighting on their back foot, so most of them stepped up and started offering "truly unlimited broadband" too. Some networks/ISPs may lower speeds in an area due to capacity on a backhaul, but if your speed drops below the minimum outlined at the beginning of your contract for longer than 30 days you can exit your contract early. So most of the ISPs (in the UK) who offer unlimited contracts these days will have a FUP but they mainly focus on a) no reselling their services b) not running open proxies c) not sending solicited bulk emails, spam emails, calls, sms, etc (because the FUP also covers the landline bundled in with the internet connection it covers things like 118,0871/2/3 service limits and mass calling). They tend not to fret about download caps in their FUPs. Heck I was on a unlimited 4G connection for a while and easily used over 1TB per month and didn't even get a text message asking me to "tone it down". EDIT: Just checked and my providers FUP is 3 (well 2 and a third) pages long, written in easy to understand language (no legalese), and hasn't even been updated in the past 5 years.