This means if you go to London, you can buy a cheap prepaid card, widely available, slap it in your phone and have an instant UK account, with cheaper rates for domestic calls, international calls, and most of all international data, which costs an arm and a leg on U.S. carriers.
As my content editor at Latma Avishai Ivri explained to me a couple weeks ago, all the polling data we're seeing is largely worthless because it is based on calls to landlines and most young Israelis don't have landlines.
Crime Prevention Minister James Brokenshire told the BBC it was not "some great big government snooping exercise", but a change designed to allow police officers to continue to solve crime in an era when communications data - details of phone calls - was used in 95% of all serious crime and terrorism cases.