light bulb on pile of books
– –– ––––
––– – ––– – –
– –– ––––
––– – ––– – –

Featured in

Editorial
Published on Apple, iPhone
Free to use under the Unsplash License

Browse premium related images on iStock | Save 20% with code UNSPLASH20

Related collections

viggo
83 photos · Curated by Drew Esnard
mockups
11 photos · Curated by Erisyn Meek
Marketing
5 photos · Curated by Jaimie Van Tassel