If I focused on technology, then the amount of things one can write about is constraining. However, I write about the human aspects of technology where the universe of coverage is order of magnitudes larger.
Whether I discuss, enterprise architecture, Smalltalk, Cardspace, Indian Outsourcing, why industry analysts continue to suck, XACML, whether Ruby is enterprise ready, why bloggers need to champion their favorite charities or any other topic that comes to mind, it is important that bloggers choose topics that are sustainable...