The Dublin operation of Dropbox, the US based file-sharing service, has been ramping up. The company booked seventy per cent more revenue through its Dublin subsidiary in 2020 than it had four years previously, its latest accounts show. The pandemic was bad news for a lot of companies. But not Dropbox. Dropbox helps people and company manage their files in the cloud.  The pandemic resulted in white collar work going remote. That meant more file-sharing and more use for Dropbox. The company’s share price  increased 88 per cent between March 2020 and July 2021. This can be seen in the…