By Ben Aris in Berlin Russia’s answer to Facebook is on a roll as the online market has been rocked to its core by sanctions. But its debt is growing even faster as the company goes on a wild shopping spree to consolidate its position as the new top internet dog in Russia. At the end of 2023 VK’s revenue was up by almost 40%, to RUB132.7bn ($1.5bn), Kommersant reports. One of the drivers of growth in the holding is advertising integration into content of its own production. But VK’s debt burden is growing even faster, climbing by 41.8% to RUB139bn by the end of last year. Analysts note an incr…