Now I we are going to build a drone which can use for publicity can anyone recommend any idea?

[iMore Question]

It's going to carry banner and speaker.

 

[Just_Me_D]

I’m not sure what you’re asking, since you stated that you were going to build one that carries a banner and a speaker. Did I misunderstand the contents of your post? If so, please join the iMore Forums to reply in this thread. Thanks.

 

[Rob Phillips]

A very big one.