Don't cancel the account, you'll only regret it later on. What I do if I don't want to visit a site, is delete all the bookmarks on my pc to it. I find it then takes a conscious effort to type the address in, rather than just press a button, and that seems to be enough to stop me doing it!
All I got to do is hit "s" in the address bar, so you need to delete the history as well.
As for backing up data, everyone should either upload to their units home support site as this should give you the best options to download, or just copy the data from the unit to a folder on the computer. and then back that up on another device.
I must admit I am a bit obsessed about my mileage, speed doesn't really bother me, but I have loads of mileage targets going on (four at the minute) and I work out the daily commuting distance I need to hit them, I then try and do the highest distance on the way to work, so when I come home I am eating into the target. Currently need to do 26 miles a day to hit my "hardest" target
Thats some going in a year Chris This is what I do but my targets arn't as high, I should have covered 12,000 by the end of the year, since I started, which I think is far enough, I have got to my original target of 15mph I do this on most rides (unless little jaunts into town ect.) or like this week is been really naff weather and I have thrown in some extra climbing, nothing major just like a few 100ft climbs in shortish distances of which we have few, but thats about it.
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Mo1959 Once your body gets used to the exercise, it can do it with out damage to the body, it is the level at which you exert yourself that does the damage and then the body requires time to repair, there comes a time when the level of exercise does really become exercise as you body is use to it.
When I started using the H.R. I was using according to the unit so is open to some errors, about 50cals a mile this is now down to under 40, using the same setup, with updates to weight.
I like it on the bike as I dont think about suicide, unlike when at home the slightest wrong thing said (and its not meant bad by people) its the first thing I think of ( a little like someone who cuts themselves, in fact its the same issue, just not visable), I then have to work through this. I have been diagnosed with Boarderline personality disorder, doesn't sound much, but if you ever read up on it, it's a little scary for the person with it.
So even a 20 mile ride helps, and these days what is 20miles, just a quick ride to my mates and back the long way round.