The personal ad went on to become a staple of the newspaper business, and remained so for centuries. Now, like so much of the rest of that business, announcements of matrimonial and other availability have moved to the internet. The lonely hearts of the world have done very well out of the shift. Today dating sites and apps account for about a sixth of the first meetings that lead to marriage there; roughly the same number result from online encounters in venues not devoted to such matters. As early as the internet had overtaken churches, neighbourhoods, classrooms and offices as a setting in which Americans might meet a partner of the opposite sex. Bars and restaurants have fallen since see chart.