Phone Numbers

Daily usage of Windows Phone will enhance your short term memory for long numbers. This is because

1. it won't render any number on any webpage or in any email as a clickable phone number - this will only work with SMSes, and
2. it won't allow you to copy-paste a number into the dialing app

Being able to paste numbers into the dial pad was my second most anticipated use of the copy-paste feature added by dint of the NoDo update, but for some reason Microsoft failed to see the benefit in that.