[!□] □
[!□=□] □
[!(□ & □)] □
" Symbian welcomes TI as the first company to provide an implementation of the API and looks forward to extending options to developers by encouraging other companies to implement solutions on the hardware accelerator API . By categorizing folklore into typologies , distinguishing ballads from myths or legends from narratives , they aspired to reveal underlying meanings or archetypes . Lessons learned in this process of experimenting with a wiki as a subject guide include pros and cons of community editing , getting others to contribute , and the strengths and weaknesses of the wiki over traditional HTML research guides . He includes the pros and cons of community editing , getting others to contribute , the strengths and weaknesses of the wiki over traditional HTML research guides , and selling wikis to administration . In September 2001 , the DEA sought to implement a plan that would achieve communications connectivity between law enforcement officials in neighboring countries . For instance , an institution possessing records on suitable subjects may be willing to contact them and ask their permission to release their names to the researcher .