A thing that didn’t escape Facebook Ireland boss Gareth Lambe’s attention was the Microsoft Work Trend Index report last March. Microsoft surveyed 30,000 people to see how their working lives were going.  For Lambe the most frightening statistic will have been that 40 per cent of the global workforce is looking for a change, and planning on leaving their jobs this year. A May survey of British and Irish workers found 38 per cent of them are ready to move. The number rises to 58 per cent among technology industry workers. In a conversation I had with Gareth Lambe, Leo…