Earlier quoted context omitted.
Agreed, I made a similar point recently[1], that a monopoly should be judged by lock-in, not by raw market percentage, which is an arbitrary measure anyway; no one cares that I have a monopoly on SilasX-labor. What matters is whether it's hard for others to offer alternatives to SilasX-labor and whether buyers can switch to that alternative. In that sense, you should worry about monopolies on OSes or rail routes, whi…
> What matters is whether it's hard for others to offer alternatives It is monstrously hard to offer alternatives. The barrier to entry is the massive engineering effort to compete. Google is not just a search engine. It is an email server and client, a calendar, an online office suite, a cloud provider, a mobile platform, and I can go on listing things to fill up several pages of what Google is. Even if DuckDuckGo i…
In my mind search, email, calendar, cloud, drive are all separate services. Just because I use Google Search doesn't mean I use google drive and gmail. In fact, I use Microsoft's OneDrive most of the time instead of Google Drive, and I don't use Calendar at all (much prefer Outlook).
You do not have to build out that entire list to compete with Google - you can build and compete with a superior version of just one. Even indie developers can (and do - successfully) compete with services like Calendar.