Selecting three travel solutions does not "contribute" to a comparative analysis by magic; it's a starting point, but it remains conditional. If the three chosen applications are similar, like three online travel agencies focused on the same niche market, the analysis won't reveal much new and won't justify the battling around the study. For it to have a real impact on identifying an opportunity, the selection must be diverse and cover different aspects of the market. Otherwise, it's just noise that proves nothing.