It may be the week before Christmas but the tech news isn’t winding down for the holidays just yet. From an increase in digital vacancies to yet another Facebook faux pas, here are four of this week’s top tech headlines. 1. Tech sector vacancies increase 24.3% According to the Office for National Statistics, the number of unfilled roles in the tech sector has increased by nearly a quarter over the past 12 months. It is estimated that the UK’s tech economy will need 2.3 million skilled workers by 2020. However, rapid sector growth combined with a lack of people…