This service was officially terminated by Parker Pen in 1967.
This service did not work in conjunction with any other pen friend clubs.
Many penpallers like to trade sheets of stickers, notecards and stationery sets.
While the expansion of the Internet has reduced the number of traditional penpals, penpal clubs can nowadays be found on the Internet, in magazine columns, newspapers, and sometimes through clubs or special interest groups.
The computer system and database used for this service were not sold, taken over, or continued in any way.
In the Peanuts comic strip from the 1960s and 1970s, Charlie Brown tries to write to a pen pal using a fountain pen but after several literally "botched" attempts, Charlie switches to using a pencil and referring to his penpal as his "pencil-pal", with his first letter to his "pencil-pal" explaining the reason for the name change.
In recent years, pen pal correspondence with prison inmates has gained acceptance on the Internet.
In the 1970s, syndicated children's television program Big Blue Marble often invited viewers to write to them for their own pen pal.
While the traditional snail mail pen pal relationship has fallen into a decline due to modern technology closing the world's communication gap, prison pen pal services have combined technology with traditional letter writing.