how do you feel when you suddenly discover that a big company has launched a similar new product?

For me, my emotions go through three stages: 1. First, a bit of concern, since this means a certain level of competition. 2. Then, I feel happy, as the fact that others are doing something similar means the demand is more likely to be appreciated by users. 3. Finally, I become calm, realizing that today's tasks still need to be finished.. haha. As for action, I would try to reach out to people working on these big companies' projects to see if there are any collaboration opportunities or just to make new connections.