Tech is just one subject, there are lots of others which don't change as fast. And for tech you can define a search alias which defaults to the past year, for e

Tech is just one subject, there are lots of others which don't change as fast. And for tech you can define a search alias which defaults to the past year, for example, if you work in a field which changes very fast. With facebook groups people ask the same questions again and again, because the search is awful.