Do not forget that with multichannel automation you can create cart abandonment, welcome, birthday, among others campaigns and send them by email, SMS or push automatically.

http://people.instructure.com/eportfolios/110049/Cipmox_250_Mg__Cipla__Antibiotics
http://eou.instructure.com/eportfolios/2036/Alphabolin_100_Mg_Fiber__AlphaPharma__Injectable_Steroids

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This was only a simple example, but almost all the questions are actually answered in the first two sentences.