Mobile and bot aren't eras, they're just tech adoption cycles. They are also not incompatible with web. The defining characteristic of a startup is that it doe

Mobile and bot aren't eras, they're just tech adoption cycles. They are also not incompatible with web. The defining characteristic of a startup is that it does something an increasingly large number of people are happy to pay for. Unless you think the web will somehow prevent that from happening, it is still "worth" starting a web based startup.