Need to know US marketing & media news: Twitter rolls out buy button, Esquire opens its archives & Trump slams journalists
Welcome all.
Too busy to catch up on today's media and marketing news? Don't worry, we've done it for you.
There's now a Twitter buy button for all, Esquire has printed its 1000th issue and Glaxosmithkline has a new media agency.
Scroll down to see today's top headlines.