Reddit, a unique and valuable online space, has reported its first quarterly results as a public company, following a very successful IPO.

In the longer term, Reddit is doomed to scratch out an unprofitable existence as a wannabe scale ad platform, echoing peers in the public markets.

Advertising is probably the least-bad business strategy, as user payments, ecommerce and licensing revenues are even less proven. Dialling back growth ambitions to improve the bottom line is the most sustainable path.

TikTok has been dealt a devastating blow as a US bill has been signed into law forcing owner ByteDance to sell within a year or face its removal from app stores. 

The stakes are higher than in 2020—China's opposition to a divestment will make an optimal sale harder to conclude, so all sides must be prepared for a ban.   

The TikTok bill introduces extraordinary new powers in the context of the US and China's broad systemic rivalry, though online consumer benefits will be limited.  

Recent advances in 'Artificial Intelligence' have generated excitement, investment and improved valuations, on the plausible promise of greater efficiency in a range of areas, such as health and coding.

It is still not clear who will profit from this boom. Currently chip-maker NVIDIA is cleaning up, propelled by sales to model developers, also driving demand for cloud computing services.

Leverage in the AI value chain depends on differentiation and barriers to entry, which are high in the chips industry. AI services like chatbots have much lower barriers to entry, while deeper vertical integration of more stages of the value chain could shake things up.