Feeling confused or doubting, concentrating on an idea, thinking hard, looking to copy space on side
Smart city and communication network concept. iot(internet of things). ict(information communication network).
Double exposure businessman using mobile smart phone
Tech devices and icons connected to digital planet earth
Mature bald man with long gray beard on brown
Hands using mobile payments
Digital marketing. businessman using modern interface payments online shopping and icon customer network connection on virtual screen.
Think outside the box on school
Smart teenage couple sitting on a floor at the bookshelf
Young man showing frame gesture with fingers in suit and looking glad
Young man in grey singlet showing how much his head hurts and looking miserable
Confused little girl in glasses using tablet
Businessman with a light bulb in his hand
Doodle bulb with crumpled paper as light
Bulb drawing with crumpled paper as light
Portrait of a cheerful girl in dress and eyeglasses
A boy with glasses sitting in the study and with both arms perpendicular
Female model opening her arms and smiling.
Group of asia young creative people in smart casual wear discussing business celebrate giving five after dealing feeling happy and signing contract or agreement in office. coworker teamwork concept.
Front view of beautiful smart girl
Business growth concept on turquoise table flat lay. hand stacking wooden blocks.
Satisfied bearded male customer show thumbs-up in approval
Young girl with tablet pointing up
Young man smiling and looking up
Confident smart young businessman sitting on armchair pointing finger upward against black background
Finger pressing button in the air
Finger pressing a circle
Hand holding white light bulb with crumpled paper balls on gray background
Portrait of determined focused and creative male with funny moustache, rubbing chin, looking up while thinking, making up idea or concept, trying to solve hard mathematic problem, making calculations
Close-up of distracted guy with glasses
Portrait of an excited young girl holding mobile phone
Front view of man having an idea
The young man looking on left
Loei, thailand - may 10, 2017: hand holding samsung s8 with mobile application for instagram on the screen .
Portrait of a young businessman presenting something against grey backdrop
Smilin man thinking
Pretty young man in transparent glasses presenting something
Finger pressing a circle with the word "start"
Happy good-looking man in glasses pointing finger left
Portrait beautiful young asian business woman smile in action on pink color
Image of thoughtful smart young female looking aside
The young man looking up
Elegant woman with a laptop listening to music
Businessman drawing the keys to success
Earphones and lamp on colored surface
Portrait of a surprised excited businessman
Young asian chinese man with hand on chin thinking about question, pensive expression standing over isolated yellow wall . smiling with thoughtful face. doubt concept.
Wait-up shot of charming successful and intelligent european male with beard and blue eyes looking from under glasses with sexy expression standing in elegant suit posing against white wall
Helpful coworker ready to help. portrait of energetic friendly european man with moustache, raising hands and showing okay or great sign, approving idea and being happy to ensure friend over gray wall