Today you don't have to, but you can and should also make money in the Internet, by providing convenience, services, tools, databases, events, etc. for the community and sell & deliver digital goods and explore eCommerce.
Btw., I think, today you have to use the platform Internet (and Mobile), if you and your company wanta to survive (... outside the museum) .
Here is one argument from your association (WAN) why you should not, cannot wait much longer (taken from the WAN executive summary World Digital Media Trends 2008 [PDF, May 2008, free])
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(this figures do not include soaring print to web Classified ads revenue!)
The full report is for SFN (Shaping the Future of Newspaper) subscribers & WAN Members only