Tung's statement may reflect his subjective impression, rather than actual return figures. Still, it is worth noting that early netbook vendors do often rush to market with hasty Linux implementations. And unfortunately, the smaller screens and lower CPU power of netbooks means that "normal" Linux distributions like SUSE may not work very well on them.
Compounding the problem, netbook vendors often see Linux as a "low-end" option, and thus offer a reduced hardware spec on Linux models. For example, the Linux version of the MSI Wind U100 comes with only a 3-cell battery, with 512MB of RAM instead of 1GB, and no bluetooth.
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