Of course, Microsoft itself bought into many markets once upon a time. While Excel isn't one where that was the case, its sister app PowerPoint started as Microsoft's first major acquisition.
The point is, you can have that vision for a while, but eventually the market changes such that the threat (or opportunity) to your business isn't so direct to be obvious like Instagram was to Facebook.
The point is, you can have that vision for a while, but eventually the market changes such that the threat (or opportunity) to your business isn't so direct to be obvious like Instagram was to Facebook.