“Paid subscriptions also tend to grant better search facilities, which can save time. If you definitely want children, for example, then there’s no point scrolling through hundreds of people who don’t. I was being asked to pay £4.99 a month for that service, and while some users over 30 said they were being charged £19.49, most who responded were being asked to pay £4.99, £8.99 or £9.99. Dining...