Internet advertising, India impact and data science were the fastest emerging investment themes in the tech industry this year according to an analysis of trends across three pillars of key investment activity.

We picked out the top 30 driving forces in recruitment, dealmaking and innovation (through patent filings) across 23 industries in 2021 and measured how far up or down the rankings each had travelled compared with the previous year. The results uncover which forces have the most momentum going into 2022 and could therefore establish themselves as critically important influencers.

Internet advertising had the strongest momentum when it came to tech industry hiring patterns, climbing 12 places to rank 30th this year. This meant that there were 320 internet advertising roles sought per every 10,000th job posting in the sector in 2021, a significant increase.

Ecommerce was the second fastest emerging hiring theme (up seven ranking spots), while software as a service came in third (up by four ranking spots).

Themes, as referenced throughout this article, are defined by GlobalData, from whom our data is taken, as any issue that keeps a CEO awake at night. Companies that fail to spot the important themes within their industry risk being unprepared for their future and, ultimately, failure. GlobalData tags millions of datapoints with these themes across its proprietary databases on a daily basis, making it possible to track their momentum over time.

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Our analysis found that the fastest rising themes tended to differ depending on the investment metric being analysed. ESG-related themes, such as ethics and governance featured heavily across the board as emerging forces in recruitment, while themes related to disruptive technologies tended to be the biggest risers across mergers, acquisitions and other deal-based investments.

For example, machine learning was a top five emerging theme for deal investment in seven out of the 23 industries we analysed, with big data, autonomous vehicles and the internet of things each appearing in five.

Deals where India impact played a part enjoyed the biggest increase in ranking among the technology and communications companies included in the analysis, rising eight places higher this year compared to last. Software as a service was the second fastest emerging dealmaking theme (up six ranking spots), while virtual and augmented reality came in third (up by five ranking spots).

The final investment pillar analysed was patent filings, with the themes emerging here unsurprisingly tending to be at the cutting edge of each industry. This resulted in less overlap between industries but it was notable that renewable energy research was present for six of the 23.

Data science-related patent filings had the most momentum in the tech industry, ranking 11th in 2021. This was an increase of 13 ranking places this year compared to last. Robotics was the second fastest emerging innovation theme (up nine ranking spots), while data analytics came in third (up by five ranking spots).

It is important to note that all the themes within this article are emerging themes which are worth watching in the future. They won't all necessarily rise to the tops of the thematic rankings (some will almost certainly fizzle out next year) but they have the potential to do so in the coming years.

Last week, GlobalData's Thematic Team produced their annual report predicting the biggest themes for 2022 in the tech, media and telecom industries, with their top picks indcluding artificial intelligence, cybersecurity, metaverse and augmented reality.

For more on this report, including which companies are predicted to be winners and losers, visit GlobalData's report store.