Exactly. £10 per month (no contract) was probably the average spend then (for approx. 40mins calling and 300 SMS). Now I'm paying £60 per month for 2 years and it seems normal. An extra £10 per month to use your plan with up to 3 devices will be the norm in another couple of years.
The problem is that gave me something I wanted: the internet everywhere.
This gives me something I've been living without and don't want to pay that much for then privilege of: my smart watch working when I don't have my phone.