There was especially notable growth in the US and Canada, where core Facebook gained 5 million users between Q4 and Q1, the strongest growth it has experienced in those markets in many quarters. Facebook also grew strongly in Europe, adding 12 million users in Q1.
We neither forecast nor publish industry spend benchmarks for programmatic advertising, other than at a high level (that is, all the ad spending estimates that you can find in the latest report). Keep in mind, programmatic is a way of transacting—it’s not a channel—so a benchmark would have to incorporate everything from social ad spending to retargeting to open market buying, PMPs, etc.
Last year, China was the only market to see overall ad spending growth, although digital ad spending performed well almost everywhere. This year, every country will see growth in almost every category.