I have an unhealthy fondness for following the AirLive.net twitter feed (via the web) during the day.
It's a very useful site/feed. You learn when flights are diverted, and sometimes why. You learn when new aircraft are being delivered and old one retired. You learn when airports are closed for weather.
I had the great good fortune to meet her and spend part of a day with her. For someone who had reached the highest echelons of Government in Canada she was totally down to earth and a pleasure to spend time with. At 75 (or thereabouts) she had recently returned from helping establish - or re-establish schools in Afghanistan. That country was was still freshly torn with upheaval and violence. I would never have had the guts to go there much less venture about there.