Costolo will reportedly relinquish his seat on the board of directors once a new full-time CEO is found, or by year's end.
We show you how to send messages, throbbing heartbeats, dancing emoji, or just have a phone call on Apple's new smartwatch.
The Apple Watch offers a lot of ways to communicate. Here's what it can do and how to do it.
The microblogging service's chief is taking personal responsibility for the platform's slow response to user abuse and harassment, according to memos obtained by The Verge.
The new version of Kindle's back-lit Paperwhite e-reader is available locally from Big W and Dick Smith.
"Hatching Twitter" reveals that the executive was briefly fired after a tense board meeting, just weeks before he became CEO, according to USA Today.
Dick Smith is selling the Wii U Premium console for AU$214, as well as accessories and games for 50 per cent off. A good deal or more bad news for the Wii U?
Electronics retailer Dick Smith has launched post-paid mobile plans via Think Mobile.
From 1 October, the iconic electronics retailer will take over DJs "underperforming" electronics departments.
As the company continues to grow, its CEO muses on the direction he wants to see Twitter take. And, no, it's not going public.