すべての本がスキャンされて「あちら側」に格納されて検索できるようになったら

http://d.hatena.ne.jp/umedamochio/20060516
From the days of Sumerian clay tablets till now, humans have "published" at least 32 million books, 750 million articles and essays, 25 million songs, 500 million images, 500,000 movies, 3 million videos, TV shows and short films and 100 billion public Web pages. All this material is currently contained in all the libraries and archives of the world. When fully digitized, the whole lot could be compressed (at current technological rates) onto 50 petabyte hard disks.

そしてデータバンクにミサイルが落ちて人間の智は失われる、てかんじ？
５０ペタバイトに全てが収まる。５千万ギガバイトですね。デカ過ぎてよくわからんー。