Never put yourself in a position that will put yourself at risk if you make the wrong decision. We spent cash on everything. It's fashionable to make 'bet the company' decisions, but don't do it.

There's a subtle reason that programmers always want to throw away the code and start over. The reason is that they think the old code is a mess. [...] The reason that they think the old code is a mess is because of a cardinal, fundamental law of programming: It's harder to read code than to write it.

If something seems possible, that's probably because someone is already doing it. When something seems that it can't possibly work, nobody tries it. Real innovation happens when someone tries anyway, overlooking an obvious flaw, and finds a way to make an idea work.

Nothing works better than just improving your product.

Talk to your customers. Find out what they need. Don't pay any attention to the competition. They're not relevant to you.

Listen to your customers, not your competitors.

Remember, just because Microsoft can do something, doesn't mean you can. Microsoft makes their own gravity. Normal rules don't apply to them.