Besides that, the customers buying their flag-ship product will find it useful to buy this product alongside Is the reverse of this also true? That is, is your

Besides that, the customers buying their flag-ship product will find it useful to buy this product alongside Is the reverse of this also true? That is, is your competitor's (new) product _less useful_ if I don't have their flagship product? Is that a large enough niche for your to be targeting? Is there a big competitor to their flagship product? Could you target your product at companies that have chosen that suite?