Most of the concerns about cloud computing revolve around service up time, security and potential data loss.

FORBES: Is Your Data Safe In The Cloud?

All successful businesses revolve around the creation of value: Social business is about injecting the strategic value of social tools into the heart of your enterprise, harvesting the kind of success companies from IBM to Walgreens and Burberry have enjoyed by doing so.

FORBES: Demolishing the Social Hype

Verizon subscribers, we hope your device habits don't revolve too closely around that 20-month upgrade cycle: it's about to get longer.

ENGADGET

Pop songs and film plots revolve around it, giant monuments to it dominate every town, children are taught about it from dawn to bedtime.

BBC: On holiday in North Korea

Just as I did when my son Keith was taken seven years ago, they now will wonder why the world continues to revolve - why it hasn't stopped in its tracks, how people can possibly go about their business as normal.

BBC: Chick Young's view