Smilebox, the Redmond developer of interactive greeting cards, hopes to be smiling all the way to the bank if a new partnership with Hallmark Cards proves successful.

CLEVELAND American Greetings Corp has introduced a collection of new cards with fun interactive features, music, and motion sure to delight recipients.

Electrical circuits made by printed ink are helping to create a new generation of “intelligent” greeting cards and books and other interactive paper-based products. A graphic designer first ...