Instagram's latest influencer marketing changes, Facebook's new 'Avatars' and advancing TikTok ad options were among the most discussed topics in social media marketing for the first week of June, 2019.

Here are the top five updates you need to be aware of this week, with links to our full coverage of each:

1. Instagram Announces 'Branded Content Ads'

Instagram will now enable marketers to re-purpose influencer posts as ads, which will expand opportunities for Influencer marketing.

2. Facebook Launches 'Avatars' in Australia

Facebook's Bitmoji-like 'Avatars' are now available to Australian users, with a view to a global roll-out later in the year.

Here's an in-depth look at the creation process, and how Avatars can be used on Facebook and Messenger.

3. Mobile Devices Overtake TV in Time Spent

eMarketer has reported that the next threshold has been crossed - people are now spending more time on their mobile devices than they are watching TV.

4. TikTok Looks to Add More Ad Targeting Options

If you're looking to reach younger audiences, TikTok is working to improve its targeting tools, and capitalize on its rising popularity.

5. LinkedIn Launches New Marketing Insights Series

LinkedIn has announced two new initiatives which will provide more information and insight for marketers seeking to make best use of the platform to reach their audiences.

We'll update you on the top five posts generating the most discussion among the SMT community again next week.