07-20-2007, 01:05 PM
Join Date: Sep 2005
Location: Silicon Valley
Carrier: AT&T 8310, 8100, 7100
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Having apps open in the background only drains the battery if they are actively using the internet connection. Otherwise they're sitting static in memory and consuming very few CPU cycles and negligible power. Most apps that do automatically update can be configured to do so at certain intervals. If you set it to, say 30 minutes or more the battery drain will be too small to make a difference.
The only app that I've seen cause a very slight drain is BBtoday.
8300 Curve: viigo, gmail, google maps, way too many emails/day