Revenues are growing again and size matters, including for clients and investors, Gideon Spanier says.
Share price rises close to its highest level since pandemic.
Drinks giant is beginning global agency review.
Data, diversity, in-housing and 'outcomes-based' remuneration were all on the client's agenda.
As many as 6,000 roles expected to be cut.
Staff below board level will be eligible for bonuses.
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