I'd imagine it's due in large part to a lack of focus on the problem they're actually aiming to solve. "Even though we're solving Problem X, why don't we add Fe

I'd imagine it's due in large part to a lack of focus on the problem they're actually aiming to solve. "Even though we're solving Problem X, why don't we add Feature X, Y and Z?" Lesson to learn? Focus on your solution to the problem people are having, and listen to your customers. Don't worry about the features you can add 3 months from now--your startup may not even last that long. Worry predominantly about getting the initial traction, sustaining it and developing a positive relationship with your customers.