Paul Zoller's set, a pine box, expanded and contracted to symbolize the pressures at work.

WSJ: Something's Wrong With That Boy | Paul's Case | La P��richole | David et Jonathas | Opera Reviews by Heidi Waleson

Mark Zoller, acting scientific director of the Genomics Center, expects to finger the target gene by the end of this year.

FORBES: A hail of silver bullets

Eden Zoller, an analyst with research firm Ovum, said the move was an obvious one for Paypal to make.

BBC: Paypal launches chip-and-pin device

"It is going to have a bit of competition but Paypal is an established a trusted brand, " said Ms Zoller.

BBC: Paypal launches chip-and-pin device

More detail on how Twitter could be integrated with mobiles would have been useful, said Eden Zoller, principal analyst at research firm Ovum.

BBC: Twitter dismisses $10bn Google deal and talks up mobile

"For Facebook the main challenge is not just to grow in terms of numbers, but more importantly to deepen and enrich engagements, " said Eden Zoller, principal analyst at tech research firm Ovum.

BBC: North America