Can offer be made to the public?

Acceptance may only be made by the person to whom the offer was made, unless the offer is made to the public at large. For example: An offer made to a specific person may be accepted by that person only.  Carlill v Carbolic Smoke Ball Co. (1892). In an advertisement, the company promised to give £100 to anyone who purchased its remedy for influenza and who nevertheless caught the illness within 14 days. The advertisement added that, in order to show good faith, the company had deposited £1,000 with a bank to meet any claims. Mrs Carlill bought the remedy, followed its instructions, caught influenza and claimed £100. The court awarded Mrs Carlill £100 and held that: