It was a busy week in tech. The biggest news was likely Amazon‘s (NASDAQ: AMZN) substantial expansion to its lineup of smart-assistant Echo devices. In addition, Facebook (NASDAQ: FB) said its Instagram video- and photo-sharing service hit another key milestone on its path to 1 billion users, and Roku (NASDAQ: ROKU) and Blackberry (NASDAQ: BBRY) saw their stocks surge higher.
Here’s what you need to know.