different between adverstisements vs promotions

adverstisements

adverstisements From the web:

• what advertisements are most effective
• what advertisements do
• what advertisements are made for
• what advertisements
• advertisement means
• what does advertisements mean
• what are advertisements techniques
• what do advertisements work

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promotions

promotions From the web:

• what promotions does verizon have
• what promotions does t mobile have
• what promotions does metropcs have
• what promotions does boost mobile have
• what promotions does at&t have
• what promotions does cricket have
• what promotions does xfinity have
• what promotions does metro have