Diet Instagram: The new, less data-intensive version of Instagram will help Facebook penetrate developing markets, where consumers are more sensitive to mobile data costs.

Short-term financing services are seeing a boost: Pandemic-driven shopping as well as consumers looking for new financing options will likely drive more investment in digital ad spend from the sector.

Twitter puts control in brands' hands: The company extended access to the reply control settings it rolled out to users last summer, which could boost brand engagement on the platform.