Several edits. The page needs further examination.

'Recent blog post' recent at time of publication only. Janet Hughes' name not needed.

“As a user of digital government services, I need to be able to sign in securely and conveniently to access my services and records, and be confident that my data is secure and my privacy protected.” - where does this quote come from? It must be attributed.

Overviews are brief.

"will connect to the hub in early 2014" They must have connected now, then. Or is there a revised start date?

The identity’s ‘level of assurance’ is the degree of confidence the relying party requires that a user is who they say they
Degree of confidence? I'm not sure this is exact or measurable. Try 'standard' or 'measurement'

See also: Alex's comments https://github.com/alphagov/government-service-design-manual/pull/315