Tech companies have canceled some high-profile conferences, causing an estimated economic loss of $666 million amid coronavirus concerns. Here's what's been called off so far.

AMY OSBORNE/AFP via Getty Images The coronavirus disease, known as COVID-19, is forcing tech companies to adapt as remote work and suspended travel become realities. Some of the biggest tech conferences of the year are being canceled as well, as companies heed the CDC's advice to "modify, postpone or cancel mass gatherings." Facebook's F8 conference, Google I/O, and IBM's Think are just some of the events that have been called off. Visit Business Insider's homepage for more stories. The coronavi...