Most LCD monitors can't be returned for dead or stuck pixels until you have a certain number. If you only have 3 or 4, for example, you will probably be told just to live with it, which really sucks ...
i just received my planar px171m yesterday and i noticed some shimmering pixels today. the monitor's been on most of the day with a screen saver on during the day, and the computer on standby ...
With every flagship smartphone launch, the new devices are subject to bend tests, drop tests, and other durability tests.