Feeling confused or doubting, concentrating on an idea, thinking hard, looking to copy space on side
Mature bald man with long gray beard on brown
Smart teenage couple sitting on a floor at the bookshelf
Businessman in black suit
Concentrated young beautiful businesswoman working on laptop in bright modern office.
Concentrated pretty girl in casual clothing sits in a cafe with a laptop, listens to music in the headphones and works
Designers in casual clothes is using a laptop.
Young girl student smiling against university.
Beautiful young business woman is using a digital tablet.
Group of young college students in smart casual wear on campus. friends brainstorming meeting talking and discussing work ideas new design project in modern office. coworker teamwork, startup concept.
Creative and smart good-looking woman in roung glasses and blouse holding hand on arm in shy insecure posture smiling feeling unconfident during first day at work over white wall
Confused little girl in glasses using tablet
Portrait of a cheerful girl in dress and eyeglasses
Satisfied bearded male customer show thumbs-up in approval
Young man smiling and looking up
Young asian chinese man with hand on chin thinking about question, pensive expression standing over isolated yellow wall . smiling with thoughtful face. doubt concept.
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
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
Wow, amazing. surprised interested european man with beard and moustache in glasses, folding lips and pointing at upper left corner, being intrigued and curious, asking assistant to show closer item
Indoor shot of smart handsome bearded caucasian guy in good mood happy smiling delighted as looking and pointing at upper left corner having great plan pleased against white wall
The young man looking on left
Young curly man sitting on the floor sending a message isolated on white wall
Portrait of an excited young girl holding mobile phone
Pretty young man in transparent glasses presenting something
Happy good-looking man in glasses pointing finger left
Close-up of distracted guy with glasses
Image of thoughtful smart young female looking aside
The young man looking up
The young man looking playfully
Young handsome man in black suit and glasses isolated on red
I have a great idea smart quick-witted pretty woman with dark hair wearing eyeglasses keeping finger pointed upwards. cute female teenager with popped eyes, making gesture with index finger
Young man wearing autumn clothes walking on the street. stylish guy with modern hairstyle in urban street.
Smart young man in glasses looking thoughtful, pondering idea
Smart guy sit with laptop, have great idea, share suggestion
Intrigued smart young man in glasses listening to good idea
Portrait of a happy young man
Portrait of a happy young african man in eyeglasses
Smart readhead bearded student in glasses reading the notes with pen in his mouth
Bearded caucasian guy tired, making gun gesture near temple
Cheerful smart girl student sitting on floor with laptop
Man feeling discomfort of seeing painful scene, grimacing and frowning upset
Portrait beautiful young asian woman use smart mobile phone on sofa in living room area
Group of people working out business plan in an office
Suprised man with binoculars
The young man smiling and looking away
Young hipster man sitting on beach by sea on summer vacation, boho style outfit, holding using internet on smartphone
Portrait of a woman holding blank speech bubble and talking on mobile phone isolated over gray wall
Portrait beautiful young business asian woman with smart mobile phone and coffee cup
Confident man with hand on chin looking at camera