Look for moodiness. Moodiness is a key signal of a controlling person. Moody people tend to be mulling over perceived hurts and injustices that have happened to them and seek to remedy their internal pain and improve their situation by controlling others.
Currency: The local currency is the Trinidad and Tobago dollar. US dollars are widely accepted at an approximate rate of TT $6 to US $1 and you can find rate information at local banks, or the daily newspapers.urrency: The local currency is the Trinidad and Tobago dollar. US dollars are widely accepted at an approximate rate of TT $6 to US $1 and you can find rate information at local banks, or the daily newspapers.
Tracking cell phones for everyone in the US: There are 271,000,000 cell phones in the US. There are on the order of 10^6 cell towers. A datagram containing a unique ID for each phone and a unique ID for the tower nearest that phone could therefore store each of those IDs in 32b, for a total packet size of 64b or so.