The risk of legacy is fairly simple: when your brand new app crashes, you have most of the team there, ready to fix it. When your 10 year old legacy app has a c

The risk of legacy is fairly simple: when your brand new app crashes, you have most of the team there, ready to fix it. When your 10 year old legacy app has a catastrophic failure, you have a maintenance programmer, one of a long line of maintenance programmers who all added their own code to it. Basically, the older an app is, the less any person knows about it and the more convoluted it has become.