Trending @Infosys; What is poc ?

What's the difference between a demo and POC? Are POCs paid or free for the client? Do we need project allocations for developing a POC? Is POC a part of pre-sales or it comes after that? Sorry for the long list of questions 😅

Its a proof of concept. You can explore different solution approaches to check the feasibility and you would get an estimate of your level of effort as well as any callouts, use cases, etc. It can be used for giving initial demos like a prototype