see more

Tech entrepreneurs work in the offices of CoworkLisboa which provides office space for start-ups in Lisbon, Portugal, on Wednesday, Nov. 18, 2015. Portugal is starting to show off its tech strength, with a raft of startups in Lisbon catching the attention of international investors. Photographer: Patricia de Melo Moreira/Bloomberg via Getty Images

Tech entrepreneurs work in the offices of CoworkLisboa which provides office space for start-ups in Lisbon, Portugal, on Wednesday, Nov. 18, 2015. Portugal is starting to show off its tech strength, with a raft of startups in Lisbon catching the attention of international investors. Photographer: Patricia de Melo Moreira/Bloomberg via Getty Images