Now Justin Bieber, Lady Gaga and for better or worse, Rebecca Black, have maximised YouTube to become even brighter stars.

BBC: How to use the internet to promote your unsigned band

"Mourinho has always been very astute in the way he has used substitutes and the way he maximised Essien's versatility was striking at Chelsea, " said former Spurs manager Pleat.

BBC: Jose Mourinho's unbeaten home league run remembered

Consequently, a biosphere reserve is subject to the influence of numerous legal international, national and local treaties and documents, which suggests that the management of biosphere reserves is in fact the coordination and maximised use of locally available legal texts, human and financial resources.

UNESCO: MEDIA SERVICES