A decade ago World Soccer listed the top 50 teenagers that they expected to be making their mark in the game, some did, most never.
The 2007 SFA Youth Cup Final is better forgotten but a year earlier Celtic had a very promising youth side.
Three full internationalists came from it with Ireland, New Zealand and Iceland the unlikely beneficiaries of that Celtic side.
Hearts were beaten in extra-time of the final with the Edinburgh side coached by Stevie Frail with a pacey left-back by the name of Lee Wallace the big prospect for the Jambos.
Injuries are a recurring theme when Celtic youth sides are reviewed with two of the biggest hopes from that side missing crucial years in their career.
For Charlie Grant it was too much as he moved out of the game after a stint at Dundee while his midfield colleague Simon Ferry enjoyed a decent career down south before finding his true vocation in social media.
All but one of the Celtic squad went on to have a decent professional career which is certainly above average.
Five of them, including Ryan Conroy who missed the final, were to play for Scotland against Spain in the final of the UEFA u-19 championships.
Strangely Swindon Town and Ross County enjoyed the benefits of the Class of 2006 more than Celtic.