There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.
If seeing someone 4 days consecutively is seeing them 4 days in a row, does that mean seeing someone every Monday of a month is seeing them 4 days in a column?
If you see someone on Friday, Saturday, Sunday and Monday, that counts as only three days in a row, since Monday is on another row. If you see somebody on four consecutive Tuesdays, that would be four days in a column.