By doing so, the operator can free up power across the datacenter for servers that really need the power.

Coincidentally, UK mobile operator O2 said Monday that it has forged an agreement with Twitter allowing users to receive free SMS alerts from Twitter.

Dufry Group, a Swiss operator of duty-free shops, sank 6.8 percent to 93.05 Swiss francs as its biggest shareholder, Advent International Corp., sold a third of its stake.