Chartbeat, a digital publishing software company, has acquired Tubular Labs, a social video analytics company, and Lineup Systems, a digital revenue management company.Why it matters: The deals, which mark Chartbeat’s first two acquisitions since being purchased by Cuadrilla Capital last year, expand Chartbeat’s capabilities to serve media companies beyond their editorial needs.Details: Combined, Chartbeat, Tubular Labs and Lineup Systems will serve over 1,000 media brands in more than 70 countries across the world, per Chartbeat.