Yes, personalised software is a very useful field. Years ago, it was: is there an app for that? Now that's no longer the bottleneck, and you can make an app as individual as you like. That also means that selling apps gets more and more difficult, because everyone can build her or his own. Or will the AI agent make apps generally redundant? There will probably still be a stable core for databases, payments, and authentication – services with an API plus data. The winners will be those who own something an agent needs to call.