Start-up CEOs constantly talk about managing growth, but rarely about managing change (growth being only one type of change). It happens a thousand times faster in technology markets. Marketing must monitor markets, and identify changes early on (though the better approach is to keep reinventing the market yourself and driving your competitors nuts in the process). Here are a few things to watch, some of which you likely are not. Competitors and partners Competitors never sleep, and are trying to reinvent themselves, market expectations and the shape of the known universe. Monitoring what they do as well as what they say is important. What they do exposes areas of the market they think are of growing or shrinking importance, and this needs to be folded into your positioning planning. What they say reveals