Digital Marketing News: Twitter Test Tweet Scheduling, Google’s Dynamic Gmail Refresh, Facebook’s Lookalike Changes, & Snapchat Grows The post Digital Marketing News: Twitter Test Tweet Scheduling, Google’s Dynamic Gmail Refresh, Facebook’s Lookalike Changes, & Snapchat Grows appeared first on Online Marketing Blog – TopRank®. The post Digital Marketing News: Twitter Test Tweet Scheduling, Google’s Dynamic Gmail Refresh, Facebook’s Lookalike Changes, & Snapchat Grows appeared first on Online Marketing Blog – TopRank®.