Your point is valid; I'd guess the developer's point in "having proprietary web apps for Chrome" is that there is no cost to run the extension in other people's

Your point is valid; I'd guess the developer's point in "having proprietary web apps for Chrome" is that there is no cost to run the extension in other people's browsers. It is a lot more work to do this cross-browser, even with some of the newer toolkits designed to help in this scenario: http://stackoverflow.com/questions/4913123/cross-browser-extensions-api http://stackoverflow.com/questions/4913123/cross-browser-ext...