The this-time-it's-different brigade also points out that the 1990s bubble expanded only after numerous web firms were floated on stockmarkets and naive investors pumped up the price of their shares to insane levels.

ECONOMIST: Silicon Valley and the technology industry

Strategy board games back in the 1970s and '80s, like "Blitzkrieg" and "War in Europe, " were simulation-type games requiring players to spend a lot of time rolling dice to resolve combat or find out different game stats -- weather conditions, civil unrest, troop rally points.

CNN: The rebirth of turn-based strategy games