Linked by Thom Holwerda on Tue 20th Mar 2012 21:01 UTC
PDAs, Cellphones, Wireless Because I've been spending days browsing through XDA, reading CM changelogs, and flashing nightly builds, I'm still in an Android state of mind, so excuse me for more talk on the subject. An interesting study has been performed which found that advertisements in Android applications are a huge battery drain - they account for up to 75% of an application's battery usage.
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by cfgr on Tue 20th Mar 2012 23:59 UTC
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To be fair, 75% of an application's battery usage is still nothing compared to the rest of the system.

Currently the top 5 of battery hungry components on my Nexus S (ICS):
1) Android OS: 37%
2) Screen: 30% (yes, I read ebooks on my phone)
3) Android System: 9%
4) Cell Standby: 7%
5) Wifi: 4%

While these numbers are specific and reflect my own usage, 75% of something that's less than 4% isn't all that much to me. As others have mentioned, I think bandwidth is more of an issue here.

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