Some of the innovative ideas come from passions. Some ideas come from being excited about something. The passions of people are very exciting for them.
In addition, some innovative ideas come from places we are tired of. The continuous tangling of the cables of the headphones has developed today's Bluetooth headphone technology. Also it doesn't have to be just a materialistic things. If you have an idea about increasing women's power in the workplace, that can also be counted.
There are also ideas that you think you can do better. You may think that the chairs in a cafe you go to every day are uncomfortable or that the wall colors make the ambiance gloomy. If you have different ideas for such situations, these can also be counted as innovative ideas.