Are you serious? Any product involves borrowing hundreds if not thousands of ideas from others. And that's how progress is made; you build upon others' ideas.

Are you serious? Any product involves borrowing hundreds if not thousands of ideas from others. And that's how progress is made; you build upon others' ideas. There's no such thing as idea infringement, unless the idea is turned into a patent of course. And sorry for repeating the cliche but... "Good artists borrow, great artists steal" - Steve Jobs