Freemium handwritten on school blackboard

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Size: 4200px × 2800px
Photo credit: © ibreakmedia / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: black, blackboard, business, buzz, buzzword, chalk, chalkboard, communication, computer, concept, concepts, free, freemium, games, green, handwritten, ideas, internet, mobile, model, monetization, money, school, single, tech, technology, usage, video, web, white, word