Color is a more attractive and affordable option. As opposed to print, your mailing list grows itself, and can increase by millions a year. One distribution covers all rather than repetitive mailing. Post it once and it can last for years. Time and price sensitive information is updatable without re-print and mailing.
Distribution can be fully available within seconds of typing in a few text characters.
No postage or shipping to mail your ad. The buyer comes to you and they're already interested in your product before they even know about your company. No junk mail and eco friendly. People who are already interested read your material and never throw it in the trash. Animation and video clips along with sound can be distributed without video tape, cassettes, or CDs.