Developers are unsung heroes: the creators of code which powers the technologies enabling innovation and growth, in London and around the world. Joel celebrates developers and the impact they make on every aspect of our lives.

2. Code in
Society
The Developer Age

3. The Life of a
Developer

4. Code is literal…
people aren’t

5. How do developers
deal with this?

6. Writing the script for the future

7. Surrounded
by Code

8. The influence
of small
decisions

11. Shaping our future

12. 45 MillionMonthly Visitors to Stack Overflow
6 Minutes7 VisitsPer User, Each Month Average Time Per Visit
By The Numbers

13. 11,096,637
Questions
156,482,858
18,065,986Answers
Votes, Edits, Comments
By The Numbers

14. 7,522,902,979times a developer found a solution on Stack Overflow

15. Who Is On Stack Overflow?
The Global Pool of 16M Professional Developers
10,793,000
Full Stack Developers
474,600
ML & Data Scientists
1,634,000
DevOps & Network Engineers
1,498,000
Database Administrations
1,206,000
Mobile Developers
984,000
Embedded Systems Engineers

16. Every Professional Programmer Around The World
500,000 to 3,869,095
240,000 to 499,999
100,000 to 239,999
30,000 to 99,999
5,000 to 29,999
0 to 4,999

17. Map of Developers Viewing Stack Overflow
Dots represent 1/3 of actual hits