0 used before saying something that is not as important as the main subject of conversation, but is connected to it in some way: --
Incidentally, I wanted to have a word with you about your travel expenses.
We had a marvellous meal at that restaurant you recommended - incidentally, I must give you the number of a similar one I know.
1 used about something that is connected to the main subject but is not as important: --
Incidentally, that answer is most often also given by the members of orchestras themselves.
Incidentally, the retention of the words that were actually looked up was higher than that of the gloss condition.
Incidentally, it is worth noting how fastidiously careful are the phrase markings in the fugue subject.
Incidentally, these two species also showed higher tolerance index compared to the other species.
Almost unavoidably - for instance, by incidentally looking through the relevant literature - he will discover others who are busy on more or less closely related problems.
Furthermore, the present study found that words acquired incidentally during reading could be better assessed through learners' receptive vocabulary knowledge than their productive knowledge.
The present study was designed to examine whether intermediate learners incidentally (a) acquire and (b) retain unknown vocabulary as a result of reading.
Specifically, a threat made incidentally in the course of maintaining a retributive punishment system is not disrespectful.