IKR. Excel and the other spreadsheet variants are the gateway drug to software development. There is no other tool that has such a low entry to barrier and is so enticing to scale up into a ridiculously complex product. It eventually does get to a point that when the original user/developer is ready to change their job someone says 'OK can we turn this into a webapp or something... this is nuts. Lets hire someone from guru.com to do this.'