They are asynchronous and require reading about what may cause data read errors, their loss (shedding), especially with slow equipment, links, combine high load and CPU occupation SmartPhones and tablets .
Wao ni Asynchronous na kuhitaji kusoma juu ya kile inaweza kusababisha data kusoma makosa, hasara yao (kumwaga), hasa kwa vifaa vya polepole, viungo, kuchanganya na mzigo high smartphones CPU kazi na vidonge .