Hayley Tsukayama

How blockchain could change your life

One of the many buzzwords at this week's CES technology show is "blockchain" — the technology underpinning the bitcoin craze.

Twitter explains why it won’t block ‘world leaders’ — without naming President Trump

Some Twitter users have called, repeatedly, for the social network to block President Donald Trump's account — but a new statement from Twitter essentially says that is not going to happen.

You may not know much about the companies exposing your personal information. But they know a lot about you.

Here's a fun question to pose at the family dinner table: have you ever heard of Alteryx? Whether you have or not, chances are good that it has heard of you.

Major tech-industry group drops opposition to sex trafficking bill

The Internet Association -- which counts Google, Facebook, Twitter and others among its members -- reversed course and said it will support the Stop Enabling Sex Traffickers Act (SESTA), a bill designed to make it easier to sue websites that enabl

Rogue Twitter employee deactivated President Trump’s personal account on last day on the job, company says

President Donald Trump boasted Nov 3 of his social media influence after his personal Twitter account was briefly deactivated by a departing company employee, raising serious questions about the security of tweets the president wields to set major

Microsoft targets vacationing Hill staffers with e-mail privacy ad campaign

Microsoft, getting a jump on the fall political season, took out full-page ads in the Outer Banks Sentinel, Martha's Vineyard Times and Rehoboth Beach's Cape Gazette to remind Washingtonians on vacation about e-mail privacy laws.

The smartphone “kill switch,” explained

A kill switch allows a smartphone user to remotely wipe the contents of their phones and make them unusable in case they get stolen.

So what could change about your phone if it gets a kill switch? Possibly not that much.

Some questions to ask yourself before you sign up for a new smartphone plan

Here are a few tips to choose the smartphone plan that's best for you.

Figure out your priorities: how much data do you really need?

What those creepy-sounding app permissions mean -- and when to be wary

Here's how to make sense of what to do when an app requests access to a particular part of your phone:

US Deputy CTO Nicole Wong is leaving the White House

US Deputy Chief Technology Officer Nicole Wong, who focused on privacy and big data issues, is leaving the White House a little more than a year after joining the Obama Administration.