Start journaling. Just keep a daily log of stuff you do, that you either think is interesting or that you want to reference later. Focus on getting the key poin

Start journaling. Just keep a daily log of stuff you do, that you either think is interesting or that you want to reference later. Focus on getting the key points out succintly, writing as you go and then (quickly) editing once you have the problem all worked out. If you do this regularly, you'll get better at producing short and interesting summaries which are great blog topics.