Twitter users will soon be able to post tweets of up to 280 characters.
The social network hopes the change will boost engagement, and ultimately narrow the gap in it profits between it and its great rival, Facebook.
Today, half the world's electric cars are on Chinese roads: the country is set on becoming the world's technology and market leader.
US governors, mayors and business leaders have come to the UN climate summit in Germany to show they care about saving the planet.
Facebook is testing a new function across six countries.
With this, media outlets' and other companies' products will be less prominently placed on its page. Energy production and use account for about two-thirds of all greenhouse gas emissions worldwide.
"Not that they were unfamiliar with the possibility that people would use Grindr for an art project, but that they would use it without their knowledge or consent." Other Internet art projects Shaka Mc Glotten, a professor at the State University of New York who researches the interaction between art, technology and sexuality, says many artists are using the Internet and apps such as Grindr in their work.
But Mc Glotten stresses the need for an ethical and transparent approach when deploying these tools.
GEO-dating apps still appealing Grindr has become one of the best-known sex navigation apps.
Hebel am Ufer (HAU), a state-funded theater which sponsored Verhoeven's project, later held two town hall-style meetings to discuss the merits and failings of the project. An American in his 20s who went over to Verhoeven's cube shortly after it opened became particularly irate when he saw his chat messages and photos being read by the assembled crowd.
He has threatened legal action against the artist and HAU, accusing both of entrapment.
"We experience a certain sense of secrecy that we share with people whom we don't know.
It raises the question: why do we share a secret with people whom we don't know when, on the streets, we could look these same people in the eyes and maybe share the same things with real people?