Topic shifting (por cierto, a propósito)

QuestionAnswer
to run into / to coincide (to be in the same place at the same time)
coincidir
By the way, I just ran into the manager.
Por cierto, acabo de coincidir con la gerente.
speaking of which / by the way (also: on purpose)
a propósito
the talk / the chat (spoken conversation)
la charla
the entrepreneur
el emprendedor
Speaking of which, the entrepreneur's talk was brilliant.
A propósito, la charla del emprendedor ha sido brillante.
speaking of
hablando de
the collaboration
la colaboración
Speaking of the collaboration, we have to sign the contract.
Hablando de la colaboración, hay que firmar el contrato.
to exchange
intercambiar
Speaking of business, we've exchanged cards!
¡Hablando de negocios, hemos intercambiado tarjetas!
mutual
mutuo
By the way, we have a lot of mutual interest.
Por cierto, tenemos mucho interés mutuo.
to expand
ampliar
Speaking of which, we have to expand the network.
A propósito, hay que ampliar la red.
the bond / the link (emotional tie or connection)
el vínculo
Speaking of entrepreneurs, they have expanded their connections.
Hablando de emprendedores, han ampliado sus vínculos.
By the way, they just ran into each other in the elevator.
Por cierto, acaban de coincidir en el ascensor.
Speaking of which, they just exchanged ideas for the collaboration.
A propósito, acaban de intercambiar ideas para la colaboración.
Speaking of the project, did they just expand the budget?
Hablando del proyecto, ¿acaban de ampliar el presupuesto?
Speaking of which, the chat has expanded our bond.
A propósito, la charla ha ampliado nuestro vínculo.
Speaking of the entrepreneur, she wants as much collaboration as you.
Hablando de la emprendedora, quiere tanta colaboración como tú.
Speaking of which, we bumped into each other before the talk.
A propósito, hemos coincidido antes de la charla.
By the way, we have to exchange cards to create a connection.
Por cierto, hay que intercambiar tarjetas para crear un vínculo.
Speaking of the company, we have to expand the team.
Hablando de la empresa, hay que ampliar el equipo.
By the way, we have a mutual interest.
A propósito, tenemos un interés mutuo.