The major difference between the two services is cost.
Between the two services, the N.B.A. has a combined 60 million followers.
Google has been in a tussle with Facebook over sharing information between the two services.
A C.I.A. spokesman, George Little, called the meetings "productive" and said the relationship between the two services "remains on solid footing".
Verizon Wireless said its customers using the OnStar car phone service can share minutes from their cellular phone plans between the two services.
His blockbuster, $500 million, five-year deal fueled a high-stakes competition between the two services that contributed to Sirius XM's current bind.
The Israeli agency's failure to inform their British counterparts put relations between the two services into deep freeze for years.
Home Office ministers have denied that the measure will amount to a police takeover of the fire and rescue services, arguing that the important operational distinction between the two services will be maintained.
None of the differences between the two services may be as important as what kind of car you want to drive, so that may be the determining factor in the satellite service you select.
These cannot be resolved by muddling along, chopping a few million here and a few million there, seeking to distribute kit and pain even-handedly between the three services.
