The two words of the headline are often and sustainably mixed up by ESL (English as a second language) learners. Date refers to an appointment, businesswise, but more often romantic; the date of a day, month, year etc., or can mean a fruit, similar to a fig.
Data is simply the information that you feed or get from e.g. a computer, or you use for writing a report or in an argument.
date:
1
: the oblong edible fruit of a palm (Phoenix dactylifera)
2
: the tall palm with pinnate leaves that yields the date
1
a : the time at which an event occurs <the date of his birth> b : a statement of the time of execution or making <the date on the letter>
2
: duration
3
: the period of time to which something belongs
4
a : an appointment to meet at a specified time; especially : a social engagement between two persons that often has a romantic character b : a person with whom one has a usually romantic date
5
: an engagement for a professional performance (as of a dance band)
data
1
: factual information (as measurements or statistics) used as a basis for reasoning, discussion, or calculation <the data is plentiful and easily available — H. A. Gleason, Jr.> <comprehensive data on economic growth have been published — N. H. Jacoby>
source: merriam webster
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