A. the inbox message is replaced only for users who do not exist:
B. Inbox message is replaced for existing usef s and deleted for users who do not eixist.
C. the inbox message is replaced for all user.
D. inbox message Is replaced for users who read the first message.
A. Biweekly
B. monthly
C. daily
D. hourly
A. Mobile Weekly
B. Email daily
C. Model Monthly
A. banner
B. Content
C. Product