Slack, the enterprise collaboration platform co-founded by Stewart Butterfield of Flickr fame, continues to defy its namesake: we have heard from sources that the company is raising a new round of funding at a valuation of between $800 million and $1 billion, just six months after raising nearly $43 million. The total raise is said to be eight figures, and Sequoia* and KPCB are participating, our

Tumblr May Reject Yahoo’s $1.1B Acquisition Offer For Being “Too Low” Tumblr employees feel that Yahoo’s $1.1 billion offer is “too low” and view it as “only a first offer,” according to sources close to acquisition talks. Yahoo may have to increase the offer to close the deal. An acquisition by some tech giant is likely in the cards for Tumblr, though, as sources say the company only has a few mo

Twitter CEO Dick Costolo: Users Can Download Their Entire Archive By Year-End; Now Sees 1B Tweets Every 2.5 Days Twitter CEO Dick Costolo has once again promised that Twitter users will, indeed, be able to download a full archive of their tweets in just a matter of weeks. This latest announcement was delivered in response to an audience question during a talk sponsored by the Ford School of Public

There are a number of barebones/mass-market low-cost devices out there, many of them aimed at the huge developing world market, hoping to outfit people with basic PC functionality for as little cost as possible. The OLPC is among the most famous, but perhaps the most luxurious: with a cutting-edge screen, built-in keyboard and networking, and so on, it has perhaps aimed too high, resulting in (as

It’s time for another tour of a hot tech company’s office, and this week brings us one of my favorites: Dropbox. The service makes it easy to share files between multiple computers, and their office is loaded with neat memorabilia, games, and unreasonably tall people. Make sure to watch til the very end for a surprise, twist ending. That I won’t be able to live down for quite a while. And in case