Fortunately for those of you who feel paralyzed by choice, that criteria whittles down your options to two notebooks, tops.

ENGADGET: Apple MacBook Pro with Retina display review (mid 2012)

Buyers of electrical goods, for instance, can use the technology to rank products by performance on criteria of their choice weighing ease of use, say, against quality of service.

ECONOMIST: A survey of e-commerce

The report, The Barriers to Choice in Public Services, looked at "whether inward-looking admissions criteria, for example by faith and super-selective schools, ought to be balanced by a broad duty to promote a social balance inside the school".

BBC: Education & Family