Andy Jordan's Tech Diary: Senior Power Americans living in senior living communities are using computer software that aims to help them stave off Alzheimer's. WSJ's Andy Jordan looks at how far seniors have come with technology. Andy Jordan's Tech Diary: Senior Power Americans living in senior living communities are using computer software that aims to help them stave off Alzheimer's. WSJ's Andy Jordan looks at how far seniors have come with technology. technology tech andy jordan tech diary alzheimer's disease seniors memory software