I'm always impressed how such obvious tools (e.g. memcached, junit) can change the face of software development.
Do you have similar other obvious ones in mind? (please no rails :-)
Do you have similar other obvious ones in mind? (please no rails :-)
And, Thank you very much for making memcached, and happy birthday! I've used this as a core part of my stack for years and love it.
edit: clarity
Not obvious to implement. But the concept was obvious.
HTTP. The protocol is not that complicated, but it's become ubiquitous, and a cornerstone of the web.
Social news. Nowadays everybody takes links you can vote on as a "duh" feature and wonder what the big deal behind Reddit is, but when it came out in 2005, it was very much a "Why has nobody thought of this before? Oh, right, because nobody will ever use it" invention.
It had been thought of before, and done before. The late 90s had tons of sites like that. When reddit came out in 2005, it was very much a "what is so special about slashdot clone #437?".