Samsung issued an emergency alert to customers on Monday, asking people worldwide to immediately turn off their Galaxy Note 7 smartphones -- which have been spontaneously catching fire.
Twitter has been a hit during this presidential election cycle. It has having success with live streams of sporting events too. But Twitter shares are plunging again now that it appears no major tech or media firm wants to buy the company.
On Friday, Verizon and Sprint said customers could exchange replacement Galaxy Note 7 devices for a completely different phone if they felt the devices were unsafe.
Using the hashtag #notokay, women shared their deeply personal sexual assault stories on Twitter. The stories came after a disturbing 2005 videotape of Donald Trump was surfaced.
Hurricane Matthew has brought Silicon Valley together. Tech companies have poured money into New Story, a nonprofit that builds sustainable homes for those displaced by natural disasters.