Twitter has been hit by a service outage, with users unable to access the social networking site.
Social and online media are playing a larger role in political advertising, largely at the expense of television.
All three companies had been rumoured to be considering buying Twitter - now Salesforce may be the only major suitor left.
The Republican was touring a private Christian school in Las Vegas
This week in economics look out for Google’s rumoured acquisition of Twitter; the fate of Deutsche Bank; the rise of the electric car and the market’s reaction to the Tory party conference
Rhea Wolfson tweeted her frustration as the social media giant failed to suspend a user who targeted her
Democratic candidate condemns rival's 'cavalier attitude' towards nuclear weapons
Disney and Microsoft join a growing list of potential suitors said to include Salesforce and Google
'The body appears to have been set on fire and has some degree of dismemberment,' say police
It started with poisoned mushrooms, changing over time into sweets before finding its final form after the death of an innocent black teenager in 2012
Tweets will still be limited to 140 characters – but a lot more will fit into that limit
Investors need to keep an eye on monthly active users during the NFL season, and if there is a big jump, follow how those numbers trend after the season ends
Turns out he's not a fan of the classics
Twitter will live stream its first NFL game, between the New York Jets and the Buffalo Bills, on Thursday via its mobile app and website
In the last five years, shares of Twitter are down 57% -- and there still hasn't been a turnaround.
Most messaging apps turn read receipts on by default, and some don't even let you switch them off – but doing so can be a respite from passive aggression and spying