In 1985, a gigabyte of hard drive memory cost around $75,000. By 1995, it was around $750. Come 2004 — the year Gmail began — it was a few dollars. Today, it’s less than a penny. Now Gmail offers 15 gigabytes free. What a marvel. What a mess.
The core skills of learning are a critical eye and an open mind. Critical thinking is refusing to accept ideas at face value. Don’t believe information until it’s verified. Openness is refusing to reject ideas at face value. Don’t disbelieve information until it’s falsified.