PBD

PBD may refer to:

• Pale Blue Dot, a photograph of Earth made by Voyager 1, and
  • Pale Blue Dot (book), a book inspired by the said photograph, written by Carl Sagan
• The IATA code for Porbandar Airport, India
• Papa Bouba Diop, a Senegalese footballer
• Pediatric bipolar disorder, that is, bipolar disorder in children
• Programming by demonstration, a technique to create automated tasks for computers and robots without using a programming language
• .pbd

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