postcarding

uncountable

The sending of postcards.

Japanese Meaning

ポストカードを送る行為

Postcarding has become my favorite way to keep in touch with friends while traveling.

はがきを送ることは、旅行中に友人と連絡を取り合う私のお気に入りの方法になりました。

Sense（1）

The sending of postcards.

"We had a massive postcarding campaign involving college campuses, many environmental groups," says O'Connell.