With the shuttering of SpoonRocket last week, the recent news that Instacart was slashing its fees and commissions to drivers, and theDecember closure of rideshare also-ran Sidecar, there’s been plenty of talk about the bursting of bubbles, particularly in the on-demand app sphere. CNet takes up the topic this week, asking if the on-demand economy — also referred to as the shut-in economy when you’re just talking delivery apps — might be dying. But, of course, the answer is probably no — it’s just contracting.