If you try to
PowerPoint while there are unsaved changes, you will be
asked whether you want to save them.
fill in the blank.

leave (i'm pretty sure this is the answer)

hi,

know what your user needs,

know what your competitors are doing,

go cheap, test cheap prototypes,

go through multiple iterations of the product,

set goals,

pre market your product,

scalable supply chain,

start telling everyone!

hope this !