Sure, for specific applications, almost any computer could still have a useful purpose (hence me reusing my T61 for a router) but we are talking about a daily d

Sure, for specific applications, almost any computer could still have a useful purpose (hence me reusing my T61 for a router) but we are talking about a daily driver here. In my case, browsing the web became noticeably slower, especially watching videos. I began to suspect my CPU/Intel GPU lacked native support for decoding some newer video formats, but I don't know for sure. This is where its age really began to show though.