4 ms·I could build Instagram in a week10 points by hawke 15y agoja27 15y ago"I have an idea for an app." I hear that several times a week from friends and family. Not once have I heard "I have an idea for how to market an app."ddodge 15y agoAnother one I hear a lot "We had that feature 2 years ago". They have no idea why it isn't blowing up.