Group 1 - The report analyzes the current state, challenges, strategies, and trends of digital marketing for tourism destinations based on a survey of over 1,100 tourism marketers globally [1][6][8] - Key challenges faced by tourism marketers include precise touchpoint marketing, keeping up with advertising technology trends, and evaluating the ROI of digital marketing strategies, all at 29% [13][16] - Digital advertising spending accounts for the highest proportion at 45%, with social media taking up 28% of the digital advertising budget [19][23] Group 2 - Future investment directions for tourism marketers include interactive videos, machine learning, and chatbots, with AR, VR, instant messaging applications, and smart voice devices potentially disrupting existing marketing methods [2][4] - Nearly 40% of marketers plan to increase spending on social media in 2020, indicating its continued popularity as a marketing channel [30][56] - Data analysis is crucial for tourism marketing, helping to target users, understand customers, and predict ROI, with 65% of marketers adopting more personalized email marketing strategies [18][20]